High-speed ball bearing friction experiment temperature measuring device

Abstract

The utility model relates to the related field of high-speed ball bearings, and discloses a high-speed ball bearing friction experiment temperature measuring device which comprises a supporting seat, a movable block is fixed at the outer end of a second compression spring, the movable block penetrates through a support and is connected with a temperature sensor, a supporting rod is fixed on one side of a movable ring, and the temperature sensor is connected with the movable block. An extrusion block is fixed to one end of the supporting rod and connected to the movable block in a wedge-shaped fit mode. According to the high-speed ball bearing friction experiment temperature measuring device, after the first abutting plate abuts against the inner ring of the bearing, the second abutting plate can abut against and fix the outer ring of the bearing, after the position of the temperature sensor is adjusted, the inner ring of the bearing rotates along with the rotating rod at a high speed, at the moment, the rolling body rotates between the inner ring and the outer ring of the bearing, and the temperature sensor can detect the temperature; meanwhile, the first incomplete gear and the second incomplete gear integrally rotate so as to drive the rotating ring to rotate back and forth, and the six temperature sensors rotate back and forth by 60 degrees, so that the temperature of the bearing can be conveniently and comprehensively detected in different areas.

Description

Technical Field

[0001] The utility model relates to the relevant field of high-speed ball bearings, in particular to a high-speed ball bearing friction experiment temperature measuring device. Background Art

[0002] Friction torque is an important performance parameter of rolling bearings. Some important performance indicators of rolling bearings, such as running smoothness and precision, are affected by it. Some special-purpose bearings, such as satellite bearings, rocket bearings, aircraft bearings, wind power bearings, etc., have higher requirements for friction torque. Almost all mechanical products use bearings, and the improvement of their quality and performance has an important impact on the overall mechanical properties. Therefore, in order to design high-quality bearings, in-depth research on friction torque is necessary.

[0003] The temperature measurement effect of the existing temperature measuring device is relatively local, and it is difficult to achieve efficient and comprehensive detection, which will affect the accuracy of the test results. In addition, the position of the temperature measuring equipment is difficult to adjust according to the size of the material, and its use is relatively limited. In view of the above problems, the existing equipment needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a high-speed ball bearing friction test temperature measuring device to solve the problem that the temperature measuring effect of the temperature measuring device proposed in the above background technology is relatively local and it is difficult to achieve efficient and comprehensive detection, which will affect the accuracy of the detection result, and the position of the temperature measuring device is difficult to adjust according to the size of the material, which is relatively limited in use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-speed ball bearing friction experiment temperature measuring device, comprising a support seat, an annular slide rail is fixed to one side of the upper end surface of the support seat, a swivel is rotatably connected inside the annular slide rail, a rotating shaft is rotatably connected to the support seat, and the rotating shaft passes through the swivel and is connected to a clamping and locking mechanism.

[0006] A driven pulley is rotatably connected to the support seat, a first incomplete gear is fixed on one side of the driven pulley, a second incomplete gear is fixed on one side of the first incomplete gear, a first tooth plate and a second tooth plate are fixed on one side of the rotating ring, the first tooth plate is meshingly connected to the second incomplete gear, the other side of the rotating ring is connected to the moving ring through the first electric telescopic rod, a bracket is fixed on one side of the rotating ring, a second compression spring is fixed on the bracket, a movable block is fixed on the outer end of the second compression spring, the movable block passes through the bracket and is connected to the temperature sensor, a support rod is fixed on one side of the moving ring, an extrusion block is fixed on one end of the support rod, and the extrusion block is wedge-shaped and connected to the movable block.

[0007] Preferably, a motor is fixed to the other side of the upper end surface of the support seat, and the output end of the motor is connected to the driving pulley, and a rotating shaft is fixed to one side of the driving pulley.

[0008] By adopting the above technical solution, the rotation of the active pulley can drive the rotation of the rotating shaft, thereby driving the rotation of the rotating rod.

[0009] Preferably, the clamping and locking mechanism includes a rotating rod, and the rotating rod is fixed at one end of the rotating shaft, one side of the rotating rod is rotatably connected to a lead screw, and the outer side of the lead screw is threadedly connected to a first piston, an oil storage tank is opened in the rotating rod, and the first piston is slidably connected in the oil storage tank.

[0010] By adopting the above technical solution, the rotation of the lead screw can drive the first piston to move leftward.

[0011] Preferably, a knob is fixed at one end of the lead screw, and a groove is provided on the side of the knob, a first compression spring is fixed in the groove, and a locking block is fixed at the outer end of the first compression spring, a slot is provided on one side of the rotating rod, and the locking block passes through the groove and is snap-connected in the slot.

[0012] By adopting the above technical solution, it is necessary to manually squeeze the locking block to unlock the knob before rotating the lead screw, and then the knob and the lead screw can be rotated as a whole.

[0013] Preferably, an airtight passage is provided in the rotating rod, and the airtight passage is connected to the oil storage tank. A second piston is slidably connected in the airtight passage, and a first abutment plate is fixed to the outer side of the second piston.

[0014] By adopting the above technical solution, the movement of the second piston can drive the movement of the first abutment plate, thereby facilitating tightening or loosening the inner ring of the bearing.

[0015] Preferably, a friction strip is fixed to the outer end surface of the first abutment plate, and the friction strips are evenly spaced on the first abutment plate. Four first abutment plates are provided, and the four first abutment plates are evenly distributed on the rotating rod in the circumferential direction.

[0016] By adopting the above technical solution, the friction strip can increase the friction between the first abutment plate and the inner wall of the bearing inner ring, making the clamping effect more secure.

[0017] Preferably, belts are wound around the outer sides of the driving pulley and the driven pulley.

[0018] By adopting the above technical solution, the rotation of the driving pulley can drive the belt and the driven pulley to rotate.

[0019] Preferably, one side of the support seat is connected to the second abutment plate via a second electric telescopic rod.

[0020] By adopting the above technical solution, the second abutment plate can be moved to the right to tightly fix the outer ring of the bearing.

[0021] Preferably, six brackets are provided, and the six brackets are evenly distributed on the swivel in the circumferential direction.

[0022] By adopting the above technical solution, each temperature sensor can rotate 60 degrees back and forth, which is convenient for comprehensive temperature detection.

[0023] Compared with the prior art, the utility model has the following beneficial effects:

[0024] 1. The high-speed ball bearing friction experiment temperature measuring device can achieve the purpose of comprehensive temperature detection in different regions through the coordinated use of the set rotating ring, rotating rod, first abutment plate, first incomplete gear, second incomplete gear, second abutment plate and temperature sensor. After the first abutment plate is used to abut the inner ring of the bearing, the second abutment plate can be used to tightly fix the outer ring of the bearing. After adjusting the position of the temperature sensor, the inner ring of the bearing rotates at high speed with the rotating rod. At this time, the rolling body rotates between the inner and outer rings of the bearing. The temperature sensor can detect the temperature. At the same time, the first incomplete gear and the second incomplete gear rotate as a whole, thereby driving the rotating ring to rotate back and forth. The six temperature sensors rotate back and forth 60 degrees, which is convenient for comprehensive detection of the bearing temperature in different regions.

[0025] 2. The high-speed ball bearing friction experiment temperature measuring device can achieve the purpose of clamping and fixing through the coordinated use of the rotating rod, the lead screw, the first piston, the oil storage tank, the knob, the locking block, the second piston and the first abutment plate. After the bearing sleeve is placed on the outside of the rotating rod, the locking block is pinched by hand, and then the knob and the lead screw are rotated as a whole. The first piston moves to the left, hydraulic oil is stored in the oil storage tank, the second piston and the first abutment plate move, and the first abutment plate tightly fixes the inner ring of the bearing. After that, the inner ring of the bearing can rotate at high speed with the rotating rod.

[0026] 3. The high-speed ball bearing friction experiment temperature measuring device can achieve the purpose of positioning according to the bearing size through the coordinated use of the movable ring, movable block, temperature sensor and extrusion block. When the movable ring moves to the right, the extrusion block squeezes the movable block to move, and the temperature sensor moves accordingly, which makes it convenient to adjust the position of the temperature sensor according to the size of the bearing, so that the device can be suitable for bearings of various sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0028] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0029] Figure 3 This is a schematic diagram of the structure of the clamping and locking mechanism of the utility model;

[0030] Figure 4It is a schematic diagram of the connection structure between the rotating rod and the card slot of the utility model;

[0031] Figure 5 It is a schematic diagram of the connection structure of the swivel, the first incomplete gear, the second incomplete gear, the first tooth plate and the second tooth plate of the utility model.

[0032] In the figure: 1, support seat; 2, annular slide rail; 3, swivel ring; 4, motor; 5, driving pulley; 6, rotating shaft; 7, clamping and locking mechanism; 701, rotating rod; 702, lead screw; 703, first piston; 704, oil storage tank; 705, knob; 706, groove; 707, first compression spring; 708, locking block; 709, slot; 710, airtight passage; 711, second piston; 712, first abutment plate; 713, friction strip; 8, belt; 9, driven pulley; 10, first incomplete gear; 11, second incomplete gear; 12, first tooth plate; 13, second tooth plate; 14, first electric telescopic rod; 15, moving ring; 16, second electric telescopic rod; 17, second abutment plate; 18, bracket; 19, second compression spring; 20, movable block; 21, temperature sensor; 22, support rod; 23, extrusion block. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0034] See also Figures 1 to 5 The utility model provides a technical solution: a high-speed ball bearing friction experiment temperature measuring device, including a support seat 1, a ring slide rail 2 is fixed on one side of the upper end surface of the support seat 1, a swivel 3 is rotatably connected inside the ring slide rail 2, and a rotating shaft 6 is rotatably connected on the support seat 1, and the rotating shaft 6 passes through the swivel 3 and is connected to a clamping and locking mechanism 7.

[0035] A driven pulley 9 is rotatably connected to the support seat 1, a first incomplete gear 10 is fixed to one side of the driven pulley 9, a second incomplete gear 11 is fixed to one side of the first incomplete gear 10, a first tooth plate 12 and a second tooth plate 13 are fixed to one side of the rotating ring 3, the first tooth plate 12 is meshingly connected to the second incomplete gear 11, the other side of the rotating ring 3 is connected to the moving ring 15 through the first electric telescopic rod 14, a bracket 18 is fixed to one side of the rotating ring 3, a second compression spring 19 is fixed to the bracket 18, a movable block 20 is fixed to the outer end of the second compression spring 19, the movable block 20 passes through the bracket 18 and is connected to the temperature sensor 21, a support rod 22 is fixed to one side of the moving ring 15, an extrusion block 23 is fixed to one end of the support rod 22, and the extrusion block 23 is wedge-shaped and connected to the movable block 20.

[0036] In this embodiment, a motor 4 is fixed to the other side of the upper end surface of the support seat 1, and the output end of the motor 4 is connected to the driving pulley 5. A rotating shaft 6 is fixed to one side of the driving pulley 5. The driving pulley 5 can rotate under the action of the motor 4, thereby driving the rotating shaft 6 to rotate.

[0037] In this embodiment, the clamping and locking mechanism 7 includes a rotating rod 701, and the rotating rod 701 is fixed at one end of the rotating shaft 6. One side of the rotating rod 701 is rotatably connected to a lead screw 702, and the outer side of the lead screw 702 is threadedly connected to a first piston 703. An oil storage tank 704 is provided in the rotating rod 701, and the first piston 703 is slidably connected to the oil storage tank 704. Hydraulic oil is stored in the oil storage tank 704. When the lead screw 702 is rotated, the first piston 703 can slide to the left under the limiting action of the lead screw 702 and the oil storage tank 704, thereby squeezing the second piston 711 to slide, and the first abutment plate 712 moves accordingly and abuts against the inner wall of the inner ring of the bearing, so as to facilitate locking the inner ring of the bearing and the rotating rod 701 together.

[0038] In this embodiment, a knob 705 is fixed at one end of the screw 702, and a groove 706 is provided on the side of the knob 705, a first compression spring 707 is fixed in the groove 706, and a locking block 708 is fixed at the outer end of the first compression spring 707, and a slot 709 is provided on one side of the rotating rod 701, and the locking block 708 passes through the slot 706 and is engaged and connected in the slot 709. Before rotating the screw 702, it is necessary to pinch the locking block 708, and then the knob 705 and the screw 702 can be rotated as a whole, and the locking block 708 can be loosened after the first support plate 712 is used to support the inner ring of the bearing. The locking block 708 will automatically pop open and be stuck in the slot 709 under the action of the first compression spring 707, so as to achieve the locking effect conveniently.

[0039] In this embodiment, an airtight passage 710 is opened in the rotating rod 701, and the airtight passage 710 is communicated with the oil storage tank 704. A second piston 711 is slidably connected in the airtight passage 710, and a first abutment plate 712 is fixed to the outer side of the second piston 711. When the first piston 703 moves to the left, the second piston 711 will move outward under the action of oil pressure, and the first abutment plate 712 can abut the inner ring of the bearing. When the first piston 703 moves to the right, the second piston 711 moves inward, and the first abutment plate 712 can loosen the inner ring of the bearing.

[0040] In this embodiment, a friction strip 713 is fixed to the outer end surface of the first support plate 712, and the friction strips 713 are evenly spaced on the first support plate 712. Four first support plates 712 are provided, and the four first support plates 712 are evenly distributed circumferentially on the rotating rod 701. In the process of using the first support plate 712 to tightly fix the inner ring of the bearing, the friction strip 713 can increase the friction, making the clamping effect tighter and firmer.

[0041] In this embodiment, a belt 8 is wound around the outer side of the driving pulley 5 and the driven pulley 9. The rotation of the driving pulley 5 can drive the belt 8 to operate, thereby driving the driven pulley 9 to rotate, thereby driving the first incomplete gear 10 and the second incomplete gear 11 to rotate as a whole. When the second incomplete gear 11 is meshed and connected with the first tooth plate 12, the second incomplete gear 11 rotates to drive the rotating ring 3 to rotate clockwise. When the first incomplete gear 10 is meshed and connected with the second tooth plate 13, the first incomplete gear 10 rotates to drive the rotating ring 3 to rotate counterclockwise. The rotating ring 3 rotates back and forth, and each temperature sensor 21 rotates back and forth, which is convenient for comprehensive temperature detection.

[0042] In this embodiment, one side of the support seat 1 is connected to the second support plate 17 through the second electric telescopic rod 16. After the first support plate 712 is used to tightly fix the inner ring of the bearing, the second support plate 17 can move to the right under the extension of the second electric telescopic rod 16, so as to facilitate the tight fixation of the outer ring of the bearing.

[0043] In this embodiment, six brackets 18 are provided, and the six brackets 18 are evenly distributed on the rotating ring 3 in the circumferential direction. Each bracket 18 corresponds to a temperature sensor 21, and each temperature sensor 21 rotates back and forth 60 degrees to facilitate comprehensive detection of the bearing temperature.

[0044] The use method and advantages of the utility model: The high-speed ball bearing friction test temperature measuring device has the following working process:

[0045] like Figures 1 to 5As shown: the user first places the bearing sleeve on the outside of the clamping locking mechanism 7, pinches the locking block 708, and then rotates the knob 705 and the lead screw 702 as a whole, the first piston 703 moves to the left, the hydraulic oil is stored in the oil storage tank 704, the second piston 711 moves, the first abutment plate 712 moves and tightly fixes the inner ring of the bearing, then the second electric telescopic rod 16 extends, the second abutment plate 17 moves to the right, thereby tightly fixing the outer ring of the bearing, then the first electric telescopic rod 14 extends, the moving ring 15 moves to the right, the squeezing block 23 squeezes the movable block 20 to move, the temperature sensor 21 approaches the bearing and detects the temperature of the bearing, then the driving pulley 5, the belt 8 and the driven pulley 9 operate, the rotating shaft 6 and the rotating rod 701 rotate at high speed, thereby driving the inner ring of the bearing to rotate at high speed. Rotation, the rolling body rotates between the inner and outer rings of the bearing and rubs to generate temperature, the temperature sensor 21 can detect the temperature, the driven pulley 9 rotates to drive the first incomplete gear 10 and the second incomplete gear 11 to rotate, when the second incomplete gear 11 is meshed and connected with the first tooth plate 12, the swivel 3 rotates clockwise with the rotation of the second incomplete gear 11, when the first incomplete gear 10 is meshed and connected with the second tooth plate 13, the swivel 3 rotates counterclockwise with the rotation of the first incomplete gear 10, the swivel 3 rotates back and forth in the annular slide 2, each temperature sensor 21 rotates back and forth 60 degrees, and six temperature sensors 21 are used at the same time to fully detect the temperature of the bearing. When the temperature of a certain area of ​​the outer ring is abnormal, it means that the manufacturing of this area is unqualified.

[0046] In summary, the high-speed ball bearing friction experiment temperature measuring device achieves the purpose of comprehensive temperature detection in different areas, clamping and fixing, and positioning according to the bearing size, meeting people's usage needs.

[0047] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

[0048] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0049] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-speed ball bearing friction test temperature measuring device, comprising a support seat (1), Features: An annular slide rail (2) is fixed to one side of the upper end surface of the support seat (1), a swivel ring (3) is rotatably connected inside the annular slide rail (2), a rotating shaft (6) is rotatably connected to the support seat (1), and the rotating shaft (6) passes through the swivel ring (3) and is connected to a clamping and locking mechanism (7); A driven pulley (9) is rotatably connected to the support seat (1); a first incomplete gear (10) is fixed to one side of the driven pulley (9); a second incomplete gear (11) is fixed to one side of the first incomplete gear (10); a first toothed plate (12) and a second toothed plate (13) are fixed to one side of the rotating ring (3); the first toothed plate (12) is meshingly connected to the second incomplete gear (11); and the other side of the rotating ring (3) is connected to the moving ring (15) via a first electric telescopic rod (14). A bracket (18) is fixed on one side of the rotating ring (3), a second compression spring (19) is fixed on the bracket (18), a movable block (20) is fixed on the outer end of the second compression spring (19), the movable block (20) passes through the bracket (18) and is connected to the temperature sensor (21), a support rod (22) is fixed on one side of the movable ring (15), an extrusion block (23) is fixed on one end of the support rod (22), and the extrusion block (23) is wedge-shaped and connected to the movable block (20).

2. A high-speed ball bearing friction test temperature measuring device according to claim 1, Features: A motor (4) is fixed to the other side of the upper end surface of the support seat (1), and the output end of the motor (4) is connected to a driving pulley (5), and a rotating shaft (6) is fixed to one side of the driving pulley (5).

3. A high-speed ball bearing friction test temperature measuring device according to claim 1, Features: The clamping and locking mechanism (7) comprises a rotating rod (701) fixed to one end of a rotating shaft (6); one side of the rotating rod (701) is rotatably connected to a lead screw (702); the outer side of the lead screw (702) is threadedly connected to a first piston (703); an oil storage tank (704) is provided in the rotating rod (701); and the first piston (703) is slidably connected in the oil storage tank (704).

4. A high-speed ball bearing friction test temperature measuring device according to claim 3, Features: A knob (705) is fixed to one end of the lead screw (702), and a groove (706) is provided on the side of the knob (705), a first compression spring (707) is fixed in the groove (706), and a locking block (708) is fixed to the outer end of the first compression spring (707), and a slot (709) is provided on one side of the rotating rod (701), and the locking block (708) passes through the slot (706) and is engaged and connected in the slot (709).

5. A high-speed ball bearing friction test temperature measuring device according to claim 3, Features: An airtight passage (710) is provided in the rotating rod (701), and the airtight passage (710) is connected to the oil storage tank (704). A second piston (711) is slidably connected in the airtight passage (710), and a first abutment plate (712) is fixed to the outer side of the second piston (711).

6. A high-speed ball bearing friction test temperature measuring device according to claim 5, Features: A friction strip (713) is fixed to the outer end surface of the first abutment plate (712), and the friction strips (713) are evenly spaced on the first abutment plate (712). Four first abutment plates (712) are provided, and the four first abutment plates (712) are evenly distributed on the rotating rod (701) in the circumferential direction.

7. A high-speed ball bearing friction test temperature measuring device according to claim 2, Features: Belts (8) are wound around the outer sides of the driving pulley (5) and the driven pulley (9).

8. A high-speed ball bearing friction test temperature measuring device according to claim 1, Features: One side of the support seat (1) is connected to the second abutment plate (17) via a second electric telescopic rod (16).

9. A high-speed ball bearing friction test temperature measuring device according to claim 1, Features: Six brackets (18) are provided, and the six brackets (18) are evenly distributed on the rotating ring (3) in the circumferential direction.

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