Bearing with adjustable shaft diameter

Abstract

The utility model discloses a shaft diameter adjustable bearing which comprises a bottom plate, a bearing seat fixedly connected to the upper end face of the bottom plate, a fixed bearing fixedly connected to the bearing seat, a ball groove formed in the fixed bearing, a plurality of balls arranged in the ball groove, a rotating block rotationally connected to the fixed bearing through the balls, and a connecting plate fixedly connected to the left end face of the rotating block. The left end face of the connecting plate is fixedly connected with three fixing plates distributed in a circumferential array mode, each fixing plate is fixedly connected with a hydraulic pump, each hydraulic pump is in power connection with a power rod, the hydraulic pumps can drive the power rods to move towards the symmetric center, the connecting shaft is provided with three grooves distributed in a circumferential array mode, and the power rods can be clamped into the grooves. The connecting shaft can be fixedly connected with the rotating shaft through the threaded shaft, the hydraulic pump can drive the power rod to be clamped into the groove of the connecting shaft so as to adapt to rotating shafts with different diameters, the rotating block is rotationally connected with the fixed bearing through the ball, and therefore the rotating shaft can be rotationally connected with the fixed bearing.

Description

Technical Field

[0001] The utility model relates to the field of bearings, in particular to a bearing with adjustable shaft diameter. Background Art

[0002] Conventional bearings can only fit one diameter of motor shaft, but there are often many motor shafts of different diameters that need to be frequently installed and disassembled. Matching different bearings is costly and inefficient in loading and unloading motor shafts. Therefore, a bearing that can fit motor shafts of different diameters is needed. One bearing can fit different motor shafts, thereby reducing the cost of use and improving the efficiency of loading and unloading motor shafts. Utility Model Content

[0003] The utility model aims to provide a bearing with adjustable shaft diameter to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bearing with adjustable shaft diameter, comprising a base plate, the upper end surface of the base plate is fixedly connected to a bearing seat, the bearing seat is fixedly connected to a fixed bearing, a ball groove is provided in the fixed bearing, a plurality of balls are provided in the ball groove, the fixed bearing is rotatably connected to a rotating block through the balls, the left end surface of the rotating block is fixedly connected to a connecting plate, the left end surface of the connecting plate is fixedly connected to three fixed plates distributed in a circular array, each of the fixed plates is fixedly connected to a hydraulic pump, the hydraulic pump is dynamically connected to a power rod, the hydraulic pump can drive the power rod to move toward the center of symmetry, a connecting shaft is provided in the rotating block, the connecting shaft is provided with three grooves distributed in a circular array, and the power rod can be inserted into the groove.

[0005] Advantageously, the upper end surface of the bottom plate is fixedly connected to a motor seat located on the right side of the bearing seat;

[0006] Advantageously, the right end surface of the motor seat is fixedly connected with a motor, the motor power is connected with a rotating shaft located on the left side of the motor seat, the rotating shaft is rotatably connected with the left end surface of the motor seat, and the motor can drive the rotating shaft to rotate;

[0007] Advantageously, the rotating shaft is aligned with the connecting shaft, a threaded shaft is fixedly connected to the left end face of the rotating shaft, an internal threaded hole is provided in the connecting shaft, and the rotating shaft is fixedly connected by screwing the threaded shaft into the internal threaded hole;

[0008] Advantageously, the upper surface of the base plate is fixedly connected with a controller located on the left side of the bearing seat, and the controller controls the hydraulic pump and the motor.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model is provided with a hydraulic pump, a fixed bearing and a connecting shaft. The connecting shaft can be fixedly connected to the rotating shaft through a threaded shaft. The hydraulic pump can drive a power rod to be clamped into a groove of the connecting shaft, so that it can adapt to rotating shafts of different diameters. The rotating block is rotatably connected to the fixed bearing through a ball bearing, so that the rotating shaft can be rotatably connected to the fixed bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0012] Figure 2 for Figure 1 A top view of

[0013] Figure 3 for Figure 2 AA cross-sectional diagram of ;

[0014] Figure 4 for Figure 2 BB cross-sectional diagram;

[0015] Figure 5 for Figure 3 A partial enlarged schematic diagram of

[0016] Figure 6 It is a three-dimensional schematic diagram of the threaded shaft of the utility model;

[0017] Figure 7 It is a three-dimensional schematic diagram of the cross section of the fixed bearing of the utility model.

[0018] In the figure: 100, base plate; 101, controller; 102, bearing seat; 103, motor seat; 104, motor; 105, rotating shaft; 106, fixed bearing; 107, connecting plate; 108, connecting shaft; 109, hydraulic pump; 110, threaded shaft; 111, ball; 112, ball groove; 113, rotating block; 114, fixed plate; 115, power rod; 117, internal threaded hole; 118, groove. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in combination with the embodiments below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0020] Embodiment 1:

[0021] See also Figure 1-7The utility model provides a technical solution: a bearing with adjustable shaft diameter, comprising a base plate 100, a bearing seat 102 is fixedly connected to the upper end surface of the base plate 100, a fixed bearing 106 is fixedly connected to the bearing seat 102, a ball groove 112 is provided in the fixed bearing 106, a plurality of balls 111 are provided in the ball groove 112, the fixed bearing 106 is rotatably connected to a rotating block 113 through the balls 111, and a connecting plate 107 is fixedly connected to the left end surface of the rotating block 113, The left end face of the connecting plate 107 is fixedly connected with three fixed plates 114 distributed in a circular array, each of the fixed plates 114 is fixedly connected with a hydraulic pump 109, and the hydraulic pump 109 is dynamically connected with a power rod 115. The hydraulic pump 109 can drive the power rod 115 to move toward the center of symmetry. A connecting shaft 108 is provided in the rotating block 113, and the connecting shaft 108 is provided with three grooves 118 distributed in a circular array, and the power rod 115 can be inserted into the groove 118.

[0022] The upper end surface of the bottom plate 100 is fixedly connected to a motor seat 103 located on the right side of the bearing seat 102;

[0023] The right end surface of the motor base 103 is fixedly connected with a motor 104, and the motor 104 is dynamically connected with a rotating shaft 105 located on the left side of the motor base 103. The rotating shaft 105 is rotatably connected to the left end surface of the motor base 103, and the motor 104 can drive the rotating shaft 105 to rotate;

[0024] The rotating shaft 105 is aligned with the connecting shaft 108, and a threaded shaft 110 is fixedly connected to the left end face of the rotating shaft 105. An internal threaded hole 117 is provided in the connecting shaft 108, and the rotating shaft 105 is screwed into the internal threaded hole 117 through the threaded shaft 110 for fixed connection;

[0025] A controller 101 located on the left side of the bearing seat 102 is fixedly connected to the upper end surface of the base plate 100 , and the controller 101 controls the hydraulic pump 109 and the motor 104 .

[0026] Working principle:

[0027] The motor 104 is fixed on the motor base 103, and the rotating shaft 105 is rotatably connected to the left end surface of the motor base 103, and then the connecting shaft 108 passes through the fixed bearing 106, and the connecting shaft 108 is screwed into the internal threaded hole 117 through the threaded shaft 110, and the connecting shaft 108 is fixedly connected to the left end surface of the rotating shaft 105;

[0028] Then, the motor 104 is started through the controller 101, and the motor 104 drives the rotating shaft 105 to rotate, and the rotating shaft 105 drives the connecting shaft 108 to rotate, so that the groove 118 is aligned with the power rod 115, and then the hydraulic pump 109 is started through the controller 101, and the hydraulic pump 109 drives the power rod 115 to get into the groove 118, and the moving distance of the power rod 115 is controlled by the controller 101, so as to adapt to the rotating shafts 105 of different diameters.

[0029] It is obvious to those skilled in the art that various modifications and variations may be made to the disclosed embodiments. Other embodiments will be readily apparent to those skilled in the art in view of the specification and practice of the disclosed system. It is intended that the specification and examples be considered exemplary only, with the true scope of protection being determined by the appended claims and their equivalents.

Claims

1. A bearing with adjustable shaft diameter, comprising a base plate (100), characterized in that: The upper end surface of the bottom plate (100) is fixedly connected to a bearing seat (102), the bearing seat (102) is fixedly connected to a fixed bearing (106), a ball groove (112) is provided in the fixed bearing (106), a plurality of balls (111) are provided in the ball groove (112), the fixed bearing (106) is rotatably connected to a rotating block (113) via the balls (111), the left end surface of the rotating block (113) is fixedly connected to a connecting plate (107), and the left end surface of the connecting plate (107) is fixedly connected to Three fixed plates (114) are arranged in a circular array, each of the fixed plates (114) is fixedly connected to a hydraulic pump (109), the hydraulic pump (109) is dynamically connected to a power rod (115), the hydraulic pump (109) can drive the power rod (115) to move toward the center of symmetry, a connecting shaft (108) is arranged in the rotating block (113), the connecting shaft (108) is provided with three grooves (118) arranged in a circular array, and the power rod (115) can be inserted into the grooves (118).

2. A bearing with adjustable shaft diameter according to claim 1, characterized in that: The upper end surface of the bottom plate (100) is fixedly connected to a motor seat (103) located on the right side of the bearing seat (102).

3. A bearing with adjustable shaft diameter according to claim 2, characterized in that: The right end surface of the motor seat (103) is fixedly connected to a motor (104), and the motor (104) is kinetically connected to a rotating shaft (105) located on the left side of the motor seat (103), and the rotating shaft (105) is rotatably connected to the left end surface of the motor seat (103).

4. A bearing with adjustable shaft diameter according to claim 3, characterized in that: The rotating shaft (105) and the connecting shaft (108) are aligned left and right, a threaded shaft (110) is fixedly connected to the left end surface of the rotating shaft (105), an internal threaded hole (117) is provided in the connecting shaft (108), and the rotating shaft (105) is screwed into the internal threaded hole (117) through the threaded shaft (110) for fixed connection.

5. A bearing with adjustable shaft diameter according to claim 4, characterized in that: The upper end surface of the bottom plate (100) is fixedly connected to a controller (101) located on the left side of the bearing seat (102).

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