Rotation precision detection tool for bearing

Abstract

The utility model discloses a rotation precision detection tool for a bearing, which belongs to the technical field of mechanical bearing detection, and comprises an operation table, a fixed column, a rotating shaft, a rotating disc, a lifting plate, a lifting disc, a bearing, a rotation detection assembly and an auxiliary detection assembly, the auxiliary detection assembly is arranged on the upper portion of the operation table, an air cylinder is fixedly installed on the upper portion of the lifting plate, an L-shaped installation plate is arranged on the upper portion of the lifting plate in a sliding mode, a rack is fixedly installed outside the L-shaped installation plate, the rack is meshed with the gear, and the movable end of the air cylinder is fixedly connected with the outer surface of the L-shaped installation plate. According to the bearing detection device, the bearing can be mechanically detected, meanwhile, detection is conducted in a mechanical mode, the number of turns of rotation each time can be the same, detection is more accurate, and therefore the problem that the force of rotation each time cannot be kept consistent due to the fact that manual work cannot be achieved is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of rotation precision detection tool for bearing, belong to mechanical bearing detection technical field. BACKGROUND

[0002] The stiffness of bearing is one of important indexes for measuring the performance of bearing, some larger size bearings, for example, turntable bearing applied in large antenna, telescope and other precision equipments with high requirements on overall accuracy, stability, repeatability accuracy and stiffness, need enough axial stiffness, radial stiffness and overturning stiffness, and also need to maintain good rotation accuracy under certain load.

[0003] When the existing bearing is rotated for detection, manual rotation or other methods are generally used, but this can cause the force of each rotation to be inconsistent, which can cause problems such as inaccurate detection due to excessive rotation force.

[0004] Therefore, a new rotation precision detection tool for bearing is provided to solve the above problems. SUMMARY

[0005] The utility model aims at providing a rotation precision detection tool for bearing to solve the above problems, the rotation detection assembly is set to drive the bearing to rotate by moving, which can reduce the deviation caused by manual operation and make the measurement more accurate.

[0006] The utility model realizes the above-mentioned purpose through the following technical scheme, a kind of rotation precision detection tool for bearing, including operation table, fixed column, rotating shaft, rotating disc, lifting plate, lifting disc and bearing, further including rotation detection assembly and auxiliary detection assembly, fixed column is fixedly installed on the upper portion of operation table, rotating shaft is rotatably connected on the upper portion of operation table, the lower portion of rotating disc is fixedly connected with the top of rotating shaft, lifting plate is arranged outside fixed column, lifting disc is located in the lower portion of lifting plate, bearing is located in the upper portion of rotating disc, rotation detection assembly is set on the upper portion of lifting plate, auxiliary detection assembly is set on the upper portion of operation table.

[0007] Preferably, the gear can drive the rotating shaft to rotate when rotating, the rotation detection assembly includes rotating shaft body rotatably connected between the inner and outer walls of the lifting plate, the top of the rotating shaft body is fixedly installed with a gear, the back of the lifting disc is fixedly installed with a concave shell, and the other end of the rotating shaft body is fixedly connected with the outside of the concave shell.

[0008] Preferably, the cylinder is arranged to drive the L-shaped mounting plate to move, the L-shaped mounting plate is arranged to drive the rack to move, the gear is arranged to rotate with the movement of the rack, the upper part of the lifting plate is fixedly installed with the cylinder, the upper part of the lifting plate is slidably connected with the L-shaped mounting plate, the outer part of the L-shaped mounting plate is fixedly installed with the rack, the rack is in meshing connection with the gear, and the movable end of the cylinder is fixedly connected with the outer surface of the L-shaped mounting plate.

[0009] Preferably, the placing groove is arranged to facilitate the rotation of the screw rod, the sidewall of the fixed column is provided with the placing groove, the screw rod is rotatably connected in the placing groove, the outer surface of the screw rod is screwed with the moving block, one end of the moving block is fixedly connected with the sidewall of the lifting plate, the top of the fixed column is fixedly installed with the servo motor, and the output end of the servo motor penetrates through the top of the fixed column and is fixedly connected with one end of the screw rod.

[0010] Preferably, the gear disc is arranged to drive the bevel gear to rotate, the L-shaped moving plate is arranged to move with the rotation of the bevel gear, and the arc-shaped clamping plate is arranged to move and close to each other with the movement of the L-shaped moving plate to limit and clamp the upper part of the bearing to be detected. The center of the lifting disc is provided with a circular groove, the gear disc is rotatably connected in the circular groove, the outer part of the lifting disc is provided with an elongated groove, the elongated groove is rotatably connected with a threaded rod, one end of the threaded rod protrudes into the square groove, one end of the threaded rod is fixedly installed with the bevel gear, and the bevel gear is in meshing connection with the gear disc.

[0011] Preferably, the arc-shaped clamping plate is arranged to clamp the outer part of the bearing, the outer surface of the threaded rod is screwed with the L-shaped moving plate, one end of the L-shaped moving plate is fixedly installed with the arc-shaped clamping plate, the transmission shaft is rotatably connected between the inner and outer walls of the lifting disc, one end of the transmission shaft is fixedly connected with the back of the gear disc, the back of the lifting disc is fixedly installed with the small motor, the output end of the small motor is fixedly connected with one end of the transmission shaft, the small motor is located in the interior of the concave shell, the interior of the lifting plate is provided with an arc-shaped groove, and the arc-shaped groove is rotatably connected with the bearing. The inner part of the bearing is fixedly connected with the outer part of the rotating shaft body.

[0012] Preferably, the bidirectional screw rod is arranged to drive the moving plate to move when rotating, the auxiliary detection assembly comprises an auxiliary detection assembly moving plate, the upper part of the rotating disc is provided with a channel, the channel is rotatably connected with the bidirectional screw rod, the lower part of the moving plate is screwed on the outer part of the bidirectional screw rod, the rotating disc is provided with a rotating knob, and one end of the rotating knob is fixedly connected with one end of the bidirectional screw rod.

[0013] The preferable gear comparison instrument is capable of detecting radial runout, an upper portion of the operation table is fixedly provided with an L-shaped limiting plate, a lever gear comparison instrument is arranged on the side of the L-shaped limiting plate, a circular limiting sleeve is fixedly arranged on the side wall of the L-shaped limiting plate, one end of the lever gear comparison instrument is located in the circular limiting sleeve, a limiting bolt is rotatably connected between the inner wall and the outer wall of the circular limiting sleeve, one end of the limiting bolt abuts against the outside of the lever gear comparison instrument, and the detection end of the lever gear comparison instrument is in contact with the outer surface of the bearing.

[0014] The utility model discloses the beneficial effects are:

[0015] 1. The rotation detection assembly is arranged, can carry out mechanical detection to the bearing, and can carry out detection by relying on the mechanical mode, can make the same number of rotations each time, make detection more accurate, thereby alleviate the problem that the rotating strength of each time cannot keep consistent because of manual work, which leads to the problem that the rotating strength is too large during detection and leads to inaccurate detection.

[0016] 2. The auxiliary detection assembly is arranged, can expand the limit of the inner ring of the bearing, can limit the bearing, makes the whole detection more stable, and facilitates the user to detect and use. DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model.

[0018] Figure 2 It is the side structure schematic diagram of the utility model.

[0019] Figure 3 It is the section structure schematic diagram of the utility model.

[0020] Figure 4 It is the local drawing of the rotation detection assembly in the utility model.

[0021] Figure 5 It is the section view of the rotation detection assembly in the utility model.

[0022] In the drawing: 1, operation table, 2, rotation detection assembly, 201, rotation shaft body, 202, gear, 203, concave shell, 204, cylinder, 205, L-shaped mounting plate, 206, rack, 207, screw rod, 208, moving block, 209, servo motor, 210, gear disc, 211, threaded rod, 212, bevel gear, 213, L-shaped moving plate, 214, small motor, 3, auxiliary detection assembly, 301, moving plate, 302, bidirectional screw rod, 303, lever gear comparison instrument, 4, fixed column, 5, rotating shaft, 6, rotating disc, 7, lifting plate, 8, lifting disc, 9, bearing. PREFERRED EMBODIMENT

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0024] Please refer to Figures 1-5 As shown in FIG. 1, a rotating precision detection tool for bearings comprises an operating table 1, a fixed column 4, a rotating shaft 5, a rotating disc 6, a lifting plate 7, a lifting disc 8 and a bearing 9, and further comprises a rotating detection assembly 2 and an auxiliary detection assembly 3. The fixed column 4 is fixedly installed on the upper portion of the operating table 1, the rotating shaft 5 is rotatably connected to the upper portion of the operating table 1, the lower portion of the rotating disc 6 is fixedly connected to the top portion of the rotating shaft 5, the lifting plate 7 is arranged outside the fixed column 4, the lifting disc 8 is located at the lower portion of the lifting plate 7, the bearing 9 is located at the upper portion of the rotating disc 6, the rotating detection assembly 2 is arranged at the upper portion of the lifting plate 7, and the auxiliary detection assembly 3 is arranged at the upper portion of the operating table 1. The rotating detection assembly 2 is arranged in a moving manner to drive the bearing 9 to rotate, which can reduce the deviation caused by manual operation and make the measurement more accurate.

[0025] As Figures 1-5As shown, the rotation detection assembly 2 comprises a rotating shaft body 201 rotatably connected between the inner and outer walls of the lifting plate 7, the top of the rotating shaft body 201 is fixedly installed with a gear 202, the back of the lifting disc 8 is fixedly installed with a concave shell 203, the other end of the rotating shaft body 201 is fixedly connected with the outside of the concave shell 203, the upper part of the lifting plate 7 is fixedly installed with a gas cylinder 204, the upper part of the lifting plate 7 is slidably provided with an L-shaped mounting plate 205, the outside of the L-shaped mounting plate 205 is fixedly installed with a rack 206, the rack 206 is meshed with the gear 202, the movable end of the gas cylinder 204 is fixedly connected with the outer surface of the L-shaped mounting plate 205, the side wall of the fixed column 4 is provided with a placing groove, a lead screw 207 is rotatably connected in the placing groove, the outer surface of the lead screw 207 is screwed with a moving block 208, one end of the moving block 208 is fixedly connected with the side wall of the lifting plate, the top of the fixed column 4 is fixedly installed with a servo motor 209, the output end of the servo motor 209 penetrates through the top of the fixed column 4 and is fixedly connected with one end of the lead screw 207, the center of the lifting disc 8 is provided with a circular groove, a gear disc 210 is rotatably connected in the circular groove, the outside of the lifting disc 8 is provided with an elongated groove, a threaded rod 211 is rotatably connected in the elongated groove, one end of the threaded rod 211 protrudes into the square groove, one end of the threaded rod 211 is fixedly installed with a bevel gear 212, the bevel gear 212 is meshed with the gear disc 210, the outer surface of the threaded rod 211 is screwed with an L-shaped moving plate 213, one end of the L-shaped moving plate 213 is fixedly installed with an arc-shaped clamping plate, a transmission shaft is rotatably connected between the inner and outer walls of the lifting disc 8, one end of the transmission shaft is fixedly connected with the back of the gear disc 210, the back of the L-shaped moving plate 213 is fixedly installed with a small-sized motor 214, the output end of the small-sized motor 214 is fixedly connected with one end of the transmission shaft, the small-sized motor 214 is located in the inside of the concave shell 203, the inside of the lifting plate 7 is provided with an arc-shaped groove, a bearing 9 is rotatably connected in the arc-shaped groove, the inside of the bearing 9 is fixedly connected with the outside of the rotating shaft body 201, when the user detects the bearing 9, the bearing 9 is placed on the upper part of the rotating disc 6, at this time, the knob is rotated, the rotating of the knob drives the bidirectional lead screw 302 to rotate, the rotation of the bidirectional lead screw 302 drives the moving plates 301 at both ends to move at the same time, the inner ring of the bearing 9 is expanded and limited, at this time, the servo motor 209 is started, the rotation of the lead screw 207 is driven by the starting of the servo motor 209, the moving of the moving block 208 is driven by the rotation of the lead screw 207, the lifting plate 7 is lowered by the moving of the moving block 208, the lifting disc 8 is lowered by the lowering of the lifting plate 7, the height adjustment is completed, at this time, the small-sized motor 214 is started, the transmission shaft is driven to rotate by the starting of the small-sized motor 214, the gear disc 210 is driven to rotate by the transmission of the transmission shaft, the bevel gear 212 is driven to rotate by the rotation of the gear disc 210, the threaded rod 211 is driven to rotate by the rotation of the bevel gear 212, the L-shaped moving plate 213 is driven to move by the rotation of the threaded rod 211, the arc-shaped clamping plate is driven to move and close to each other by the moving of the L-shaped moving plate 213, the upper part of the bearing 9 to be detected is limited and clamped, after the height and clamping are completed,At this time, the cylinder 204 is opened, the L-shaped mounting plate 205 can be driven to move along with the opening of the cylinder 204, the rack 206 can be driven to move along with the movement of the L-shaped mounting plate 205, the gear 202 is moved so that the gear 202 rotates, the rotating shaft body 201 is driven to rotate along with the rotation of the gear 202, the lifting disc 8 is driven to rotate along with the rotation of the rotating shaft body 201, the outer side of the bearing 9 is driven to rotate along with the rotation of the lifting disc 8, so that the lever gear comparator 303 can detect the rotating bearing 9, and the detection is performed in a mechanical mode, so that the number of rotations is the same each time, and the detection is more accurate.

[0026] As shown in Figure 3 The auxiliary detection assembly 3 comprises an auxiliary detection assembly 3 moving plate 301, a groove is formed in the upper portion of the rotating disc 6, a double-way screw rod 302 is rotatably connected in the groove, the lower portion of the moving plate 301 is screwed on the outside of the double-way screw rod 302, a rotating knob is arranged in the rotating disc 6, one end of the rotating knob is fixedly connected with one end of the double-way screw rod 302, an L-shaped limiting plate 304 is fixedly installed on the upper portion of the operation table 1, a lever gear comparator 303 is arranged on the side of the L-shaped limiting plate 304, a circular limiting sleeve is fixedly installed on the side wall of the L-shaped limiting plate 304, one end of the lever gear comparator 303 is located in the circular limiting sleeve, a limiting screw is rotatably connected between the inner and outer walls of the circular limiting sleeve, one end of the limiting screw abuts against the outside of the lever gear comparator 303, the detection end of the lever gear comparator 303 is in contact with the outer surface of the lower end of the bearing 9, the rotating knob is rotated to drive the double-way screw rod 302 to rotate, the moving plates 301 at both ends are simultaneously moved along with the rotation of the double-way screw rod 302, the inner ring of the bearing 9 is expanded and limited, so that the bearing 9 can be limited, and the overall detection is more stable.

[0027] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the foregoing embodiments should be regarded as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and it is intended to encompass all changes falling within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be regarded as limiting the claims to which they relate.

[0028] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A rotating precision detection tool for bearings, comprising an operating table (1), a fixed column (4), a rotating shaft (5), a rotating disc (6), a lifting plate (7), a lifting disc (8) and a bearing (9), characterized in that: Also include rotation detection assembly (2) and auxiliary detection assembly (3), the fixed column (4) is fixedly installed on the upper portion of the operating table (1), the rotating shaft (5) is rotatably connected to the upper portion of the operating table (1), the lower portion of the rotating disc (6) is fixedly connected with the top of the rotating shaft (5), the lifting plate (7) is arranged outside the fixed column (4), the lifting disc (8) is located at the lower portion of the lifting plate (7), the bearing (9) is located at the upper portion of the rotating disc (6), the rotating detection assembly (2) is arranged on the upper portion of the lifting plate (7), and the auxiliary detection assembly (3) is arranged on the upper portion of the operating table (1); The rotating detection assembly (2) comprises a rotating shaft body (201) rotatably connected between the inner and outer walls of the lifting plate (7), a gear (202) fixedly installed at the top of the rotating shaft body (201), a concave shell (203) fixedly installed at the back of the lifting disc (8), and the other end of the rotating shaft body (201) is fixedly connected with the outside of the concave shell (203). The upper portion of the lifting plate (7) is fixedly installed with a cylinder (204), the upper portion of the lifting plate (7) is slidably provided with an L-shaped mounting plate (205), the outer portion of the L-shaped mounting plate (205) is fixedly installed with a rack (206), the rack (206) is engaged with the gear (202), and the movable end of the cylinder (204) is fixedly connected with the outer surface of the L-shaped mounting plate (205).

2. The rotation accuracy detection tool for a bearing according to claim 1, characterized by: The sidewall of the fixed column (4) is provided with a placing groove, a lead screw (207) is rotatably connected in the placing groove, a moving block (208) is screwed on the outer surface of the lead screw (207), one end of the moving block (208) is fixedly connected with the sidewall of the lifting plate (7), a servo motor (209) is fixedly installed at the top of the fixed column (4), and the output end of the servo motor (209) penetrates through the top of the fixed column (4) and is fixedly connected with one end of the lead screw (207).

3. The rotational accuracy detection tool for a bearing according to claim 2, characterized by: A circular groove is formed in the center of the lifting disc (8), a gear disc (210) is rotatably connected in the circular groove, an elongated groove is formed in the outer portion of the lifting disc (8), a threaded rod (211) is rotatably connected in the elongated groove, one end of the threaded rod (211) protrudes into the square groove, a bevel gear (212) is fixedly installed at one end of the threaded rod (211), and the bevel gear (212) is engaged with the gear disc (210).

4. The rotational accuracy detection tool for a bearing according to claim 3, characterized by: The outer surface of the threaded rod (211) is screwed with an L-shaped moving plate (213), one end of the L-shaped moving plate (213) is fixedly installed with an arc-shaped clamping plate, the inner and outer walls of the lifting disc (8) are rotatably connected with a transmission shaft, one end of the transmission shaft is fixedly connected with the back of the gear disc (210), the back of the L-shaped moving plate (213) is fixedly installed with a small motor (214), the output end of the small motor (214) is fixedly connected with one end of the transmission shaft, the small motor (214) is located in the interior of the concave shell (203), the interior of the lifting plate (7) is provided with an arc-shaped groove, the arc-shaped groove is rotatably connected with a bearing (9) inside, and the interior of the bearing (9) is fixedly connected with the exterior of the rotating shaft body (201).

5. The rotational accuracy detection tool for bearings of claim 1, wherein: The auxiliary detection assembly (3) comprises a moving plate (301), the upper portion of the rotating disc (6) is provided with a channel, the channel is rotatably connected with a bidirectional screw rod (302) inside, the lower portion of the moving plate (301) is screwed on the exterior of the bidirectional screw rod (302), the rotating disc (6) is provided with a rotating knob inside, one end of the rotating knob is fixedly connected with one end of the bidirectional screw rod (302).

6. The rotational accuracy detection tool for a bearing according to claim 5, characterized by: The upper portion of the operation table (1) is fixedly installed with an L-shaped limiting plate (304), the side of the L-shaped limiting plate (304) is provided with a lever gear comparator (303), the side wall of the L-shaped limiting plate (304) is fixedly installed with a circular limiting sleeve, one end of the lever gear comparator (303) is located in the circular limiting sleeve, the inner and outer walls of the circular limiting sleeve are rotatably connected with a limiting bolt, one end of the limiting bolt abuts against the exterior of the lever gear comparator (303), and the detection end of the lever gear comparator (303) is in contact with the outer surface of the lower end of the bearing (9).

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