High-precision bearing of fan blade experiment table

Abstract

The fan blade experiment table high-precision bearing comprises an equipment body, a telescopic groove is formed in the side face of the inner wall of an auxiliary adapter ring, an installation block is installed on the inner wall of the telescopic groove in an inserted mode, a locking rotary knob is installed on the edge of one side of the auxiliary adapter ring in an inserted mode, and a reinforcing block is fixedly connected to the outer wall of a wedge-shaped disc. According to the high-precision bearing of the fan blade experiment table, the bearing outer ring can be reinforced, supported and installed through the wedge-shaped disc, the reinforcing block and the wedge-shaped ring, and the wedge-shaped disc, the bearing outer ring and the reinforcing block are rapidly and stably disassembled and assembled through the first threaded ring, the first fixing bolt, the first threaded groove, the positioning insertion block, the positioning insertion groove and the second fixing bolt; and the bearing outer ring can be flexibly connected through the auxiliary adapter ring and the main adapter ring, the auxiliary adapter ring and the main adapter ring can be rapidly disassembled, assembled and adjusted through the splicing sleeve, the splicing insertion rod, the second threaded groove and the second threaded ring, the supporting inner ring can stably rotate with the bearing outer ring through the rolling shaft and the sliding ball, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a high-precision bearing for a fan blade test bench. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and deliver gas. It is a driven fluid machine. Fan is China's customary abbreviation for gas compression and gas delivery machinery. The fans usually include ventilators, blowers, and wind turbines. When performing a fan blade rotation experiment, high-precision bearings are required.

[0003] The existing CN106545517A is a crossflow fan blade bearing and its processing technology. The front and rear mold parting surfaces of the crossflow fan blade bearing are placed at the oil outlets of the three oil grooves, thereby greatly reducing the wear of the inner wall of the bearing shaft inner hole, reducing the degree of deformation of the shaft inner hole size, reducing the vibration generated by the operation of the fan blade, and reducing noise. However, there are still some shortcomings. The existing equipment has poor installation stability, poor switching flexibility, poor rotation accuracy, and inconvenient use. Therefore, a high-precision bearing for a fan blade test bench is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a high-precision bearing for a fan blade test bench to solve the problems mentioned in the above background technology that the crossflow fan blade bearing and its processing technology have poor installation stability, poor switching flexibility, poor rotation accuracy and inconvenient use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision bearing for a wind blade test bench, comprising an equipment main body, a wedge-shaped disk is installed on one side of the equipment main body, a wedge-shaped ring is fixedly connected to one end of the wedge-shaped disk, and a bearing outer ring is installed on one end of the wedge-shaped ring, a first threaded groove is opened on one side of the equipment main body, and a first threaded ring is inserted and installed on the inner wall of the first threaded groove, one end of the first threaded ring is fixedly connected to one end of the wedge-shaped disk, and a first fixing bolt is inserted and installed on the edge of one end of the wedge-shaped disk, a positioning block is vertically fixedly connected to the edge of one end of the wedge-shaped ring, and the positioning block is inserted and installed in a positioning slot, the positioning slot is opened at the edge of one end of the bearing outer ring, and a second fixing bolt is inserted and installed on one side of the positioning slot, the bearing outer ring A supporting inner ring is installed in the inner wall, and a sliding ball is inlaid and installed on the outer wall of the supporting inner ring. A roller is slidably installed between the sliding balls, and one side of the roller is rollingly connected to the inner wall of the bearing outer ring. Splicing rods are fixedly connected to the inner wall of the supporting inner ring on both sides, and a splicing sleeve is installed on the outer wall of the splicing rod. A main adapter ring is fixedly connected between the splicing sleeves, and a second threaded groove is provided on one side of the inner wall of the main adapter ring, a second threaded ring is inserted and installed on the inner wall of the second threaded groove, and an auxiliary adapter ring is fixedly connected to one end of the second threaded ring, a telescopic groove is provided on the side surface of the inner wall of the auxiliary adapter ring, and a mounting block is inserted and installed on the inner wall of the telescopic groove, a locking knob is inserted and installed on one edge of one side of the auxiliary adapter ring, and a reinforcement block is fixedly connected to the outer wall of the wedge disk.

[0006] Preferably, the wedge-shaped disk is installed in a spiral manner with the device body in the first thread groove through a first threaded ring, and the wedge-shaped disk is bolt-fixed with the device body through a first fixing bolt, and the first fixing bolt is distributed in a ring-shaped position on the wedge-shaped disk.

[0007] Preferably, the outer ring of the bearing is installed in a positioning insertion slot with the wedge ring in a positioning insertion manner through a positioning plug, and the outer ring of the bearing is bolt-fixed with the positioning plug through a second fixing bolt.

[0008] Preferably, the auxiliary adapter ring is installed by spiral splicing with the main adapter ring in the second thread groove through the second thread ring, and the main adapter ring is installed by plugging and splicing with the support inner ring in the splicing rod through the splicing sleeve.

[0009] Preferably, the support inner ring is connected to the bearing outer ring in a double-layer sliding and rotating manner on the sliding balls via rollers, and the rollers and sliding balls are distributed in an obliquely symmetrical position between the bearing outer ring and the support inner ring.

[0010] Preferably, the mounting block is slidably and telescopically connected to the auxiliary adapter ring via a telescopic groove, and the mounting block is distributed in a ring-shaped position on the inner wall of the auxiliary adapter ring. The mounting block is locked and fixedly connected to the auxiliary adapter ring via a locking knob.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the high-precision bearing of the wind blade test bench can reinforce and support the outer ring of the bearing by means of a wedge-shaped disk, a reinforcement block and a wedge-shaped ring, and the first threaded ring, the first fixing bolt, the first threaded groove, the positioning block, the positioning slot and the second fixing bolt can quickly and stably disassemble and assemble the wedge-shaped disk, the outer ring of the bearing and the reinforcement block, and the outer ring of the bearing can be flexibly transferred by means of an auxiliary adapter ring and a main adapter ring, and the auxiliary adapter ring and the main adapter ring can be quickly disassembled and adjusted by means of a splicing sleeve, a splicing plug rod, a second threaded groove and a second threaded ring, and the supporting inner ring can stably rotate with the outer ring of the bearing by means of rollers and sliding balls, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of a high-precision bearing of a fan blade test bench of the utility model;

[0013] Figure 2 This is a cross-sectional view of a high-precision bearing of a fan blade test bench of the utility model;

[0014] Figure 3 This utility model is a high-precision bearing for a fan blade test bench Figure 2 Enlarged view of point A in the middle;

[0015] Figure 4 This utility model is a high-precision bearing for a fan blade test bench Figure 2 Enlarged view of point B in the middle;

[0016] Figure 5 This utility model is a high-precision bearing for a fan blade test bench Figure 2 Enlarged view of point C in the middle;

[0017] Figure 6 This utility model is a high-precision bearing for a fan blade test bench Figure 2 Enlarged view of point D in the middle.

[0018] In the figure: 1. Equipment body, 2. Wedge plate, 3. Bearing outer ring, 4. Auxiliary adapter ring, 5. Main adapter ring, 6. Reinforcement block, 7. First threaded ring, 8. First fixing bolt, 9. First threaded groove, 10. Positioning plug block, 11. Positioning slot, 12. Second fixing bolt, 13. Wedge ring, 14. Roller, 15. Sliding ball, 16. Splicing sleeve, 17. Splicing plug rod, 18. Support inner ring, 19. Locking knob, 20. Telescopic slot, 21. Mounting block, 22. Second threaded groove, 23. Second threaded ring. DETAILED DESCRIPTION

[0019] 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 technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-6 The utility model provides a technical solution: a high-precision bearing for a wind blade test bench, including an equipment body 1, a wedge-shaped disk 2, a bearing outer ring 3, an auxiliary adapter ring 4, a main adapter ring 5, a reinforcement block 6, a first threaded ring 7, a first fixing bolt 8, a first threaded groove 9, a positioning plug block 10, a positioning slot 11, a second fixing bolt 12, a wedge ring 13, a roller 14, a sliding ball 15, a splicing sleeve 16, a splicing plug rod 17, a support inner ring 18, a locking knob 19, a telescopic groove 20, a mounting block 21, a second ... The groove 22 and the second threaded ring 23, a wedge-shaped disc 2 is installed on one side of the equipment body 1, one end of the wedge-shaped disc 2 is fixedly connected to the wedge-shaped ring 13, and the bearing outer ring 3 is installed on one end of the wedge-shaped ring 13, the wedge-shaped disc 2 is spirally spliced ​​and installed with the equipment body 1 in the first threaded groove 9 through the first threaded ring 7, and the wedge-shaped disc 2 is bolted and installed with the equipment body 1 through the first fixing bolt 8, and the first fixing bolt 8 is distributed in a ring position on the wedge-shaped disc 2, so that the wedge-shaped disc 2 can be easily and quickly disassembled and assembled, and the support is more stable.

[0021] The bearing outer ring 3 is installed in a positioning slot 11 by means of a positioning plug 10 and a wedge ring 13, and the bearing outer ring 3 is fixed to the positioning plug 10 by means of a second fixing bolt 12, so that the bearing outer ring 3 is installed more stably and is more convenient to disassemble and assemble.

[0022] A first thread groove 9 is provided on one side of the equipment body 1, and a first thread ring 7 is inserted and installed on the inner wall of the first thread groove 9, one end of the first thread ring 7 is fixedly connected to one end of the wedge disk 2, and a first fixing bolt 8 is inserted and installed on the edge of one end of the wedge disk 2, a positioning block 10 is vertically fixedly connected to the edge of one end of the wedge ring 13, and the positioning block 10 is inserted and installed with a positioning slot 11, the positioning slot 11 is provided at the edge of one end of the bearing outer ring 3, and a second fixing bolt 12 is inserted and installed on one side of the positioning slot 11, a supporting inner ring 18 is inserted and installed on the inner wall of the bearing outer ring 3, and a sliding ball 15 is inlaid and installed on the outer wall of the supporting inner ring 18, the supporting inner ring 18 is connected to the bearing outer ring 3 in a double-layer sliding and rotating manner on the sliding ball 15 through a roller 14, and the roller 14 and the sliding ball 15 are distributed in an inclined symmetrical position between the bearing outer ring 3 and the supporting inner ring 18, so that the rotation stability of the supporting inner ring 18 is better.

[0023] A roller 14 is slidably installed between the sliding balls 15, and one side of the roller 14 is rollingly connected to the inner wall of the bearing outer ring 3, splicing rods 17 are fixedly connected to both sides of the inner wall of the support inner ring 18, and a splicing sleeve 16 is sleeved and installed on the outer wall of the splicing rod 17, a main adapter ring 5 is fixedly connected between the splicing sleeves 16, and a second thread groove 22 is opened on one side of the inner wall of the main adapter ring 5, a second threaded ring 23 is inserted and installed on the inner wall of the second thread groove 22, and an auxiliary adapter ring 4 is fixedly connected to one end of the second threaded ring 23, the auxiliary adapter ring 4 is spirally spliced ​​and installed with the main adapter ring 5 in the second thread groove 22 through the second threaded ring 23, and the main adapter ring 5 is inserted and spliced ​​and installed with the support inner ring 18 in the splicing rod 17 through the splicing sleeve 16, which makes it easier to disassemble and assemble the auxiliary adapter ring 4 and the main adapter ring 5, thereby facilitating the transfer adjustment.

[0024] A telescopic groove 20 is provided on the inner wall side of the auxiliary adapter ring 4, and a mounting block 21 is installed in an insertion manner on the inner wall of the telescopic groove 20. The mounting block 21 is slidably telescopically connected to the auxiliary adapter ring 4 through the telescopic groove 20, and the mounting block 21 is distributed in a ring-shaped position on the inner wall of the auxiliary adapter ring 4. The mounting block 21 is locked and fixedly connected to the auxiliary adapter ring 4 through a locking knob 19, so that the mounting block 21 is convenient for telescopic adjustment and the adapter is more flexible. A locking knob 19 is installed in an insertion manner on the edge of one side of the auxiliary adapter ring 4, and a reinforcement block 6 is fixedly connected to the outer wall of the wedge disk 2.

[0025] Working principle: When using the high-precision bearing of the wind blade test bench, first, the wedge plate 2 and the wedge ring 13 of the device are rotationally spliced ​​and installed with the equipment body 1 through the first threaded ring 7 and the first threaded groove 9, and then fixed with the first fixing bolt 8, and then the bearing outer ring 3 and the support inner ring 18 are plugged and locked with the positioning plug block 10, the positioning slot 11 and the second fixing bolt 12 and the wedge ring 13 for fixed installation, and then the main adapter ring 5 is positioned, plugged and spliced ​​with the support inner ring 18 through the splicing sleeve 16 and the splicing plug rod 17, and then the transfer installation is performed, and then the support inner ring 18 can be driven to slide and rotate through the roller 14 and the sliding ball 15, and when the transfer needs to be adjusted, it can be spirally assembled through the second threaded groove 22 and the second threaded ring 23, and it can be flexibly adjusted through the mounting block 21 and the telescopic slot 20, and quickly transferred and installed. This is the use process of the high-precision bearing of the wind blade test bench.

[0026] 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-precision bearing for a wind blade test bench, comprising a device body (1), a wedge-shaped disc (2) being mounted on one side of the device body (1), a wedge-shaped ring (13) being fixedly connected to one end of the wedge-shaped disc (2), and a bearing outer ring (3) being mounted on one end of the wedge-shaped ring (13), wherein: A first thread groove (9) is provided on one side of the device body (1), and a first thread ring (7) is inserted and installed on the inner wall of the first thread groove (9), one end of the first thread ring (7) is fixedly connected to one end of the wedge-shaped disk (2), and a first fixing bolt (8) is inserted and installed on the edge of one end of the wedge-shaped disk (2), a positioning plug (10) is vertically fixedly connected to the edge of one end of the wedge ring (13), and the positioning plug (10) is inserted and installed with a positioning slot (11), the positioning slot (11) is provided at the edge of one end of the bearing outer ring (3), and a second fixing bolt (12) is inserted and installed on one side of the positioning slot (11), a supporting inner ring (18) is inserted and installed on the inner wall of the bearing outer ring (3), and a sliding ball (15) is inlaid and installed on the outer wall of the supporting inner ring (18), and a roller (14) is slidably installed between the sliding balls (15), and the rollers (14) are slidably installed between the sliding balls (15), and the rollers (14) are slidably installed between the sliding balls (15). One side of the shaft (14) is rollingly connected to the inner wall of the bearing outer ring (3); both sides of the inner wall of the support inner ring (18) are fixedly connected with splicing rods (17); the outer wall of the splicing rods (17) is sleeved with a splicing sleeve (16); a main adapter ring (5) is fixedly connected between the splicing sleeves (16); a second thread groove (22) is provided on one side of the inner wall of the main adapter ring (5); a second thread ring (23) is inserted and installed on the inner wall of the second thread groove (22); an auxiliary adapter ring (4) is fixedly connected to one end of the second thread ring (23); a telescopic groove (20) is provided on the side of the inner wall of the auxiliary adapter ring (4); a mounting block (21) is inserted and installed on the inner wall of the telescopic groove (20); a locking knob (19) is inserted and installed on the edge of one side of the auxiliary adapter ring (4); and a reinforcement block (6) is fixedly connected to the outer wall of the wedge-shaped disk (2).

2. The high-precision bearing for a wind blade test bench according to claim 1 is characterized by: The wedge-shaped disc (2) is installed in a spiral connection with the device body (1) in a first threaded groove (9) via a first threaded ring (7), and the wedge-shaped disc (2) is installed in a bolt-fixed manner with the device body (1) via first fixing bolts (8), wherein the first fixing bolts (8) are distributed in an annular position on the wedge-shaped disc (2).

3. The high-precision bearing for a wind blade test bench according to claim 2 is characterized by: The bearing outer ring (3) is installed in a positioning insertion slot (11) by means of a positioning insert block (10) and a wedge ring (13) in a positioning insertion slot (11), and the bearing outer ring (3) is bolt-fixedly installed with the positioning insert block (10) by means of a second fixing bolt (12).

4. The high-precision bearing for a wind blade test bench according to claim 3 is characterized by: The auxiliary adapter ring (4) is installed in a spiral splice with the main adapter ring (5) in the second thread groove (22) via a second threaded ring (23), and the main adapter ring (5) is installed in a splice-joint splice with the support inner ring (18) in the splicing plug rod (17) via a splicing sleeve (16).

5. The high-precision bearing for a wind blade test bench according to claim 4 is characterized by: The support inner ring (18) is connected to the bearing outer ring (3) in a double-layer sliding and rotating manner on the sliding ball (15) via the roller (14), and the roller (14) and the sliding ball (15) are distributed in an obliquely symmetrical position between the bearing outer ring (3) and the support inner ring (18).

6. The high-precision bearing for a wind blade test bench according to claim 5 is characterized by: The mounting block (21) is connected to the auxiliary adapter ring (4) in a sliding and telescopic manner via the telescopic groove (20), and the mounting block (21) and the inner wall of the auxiliary adapter ring (4) are distributed in a ring-shaped manner. The mounting block (21) is connected to the auxiliary adapter ring (4) in a locking and fixed manner via a locking knob (19).

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