Device for limiting two ends of impeller shaft
By setting up rotation devices, support seats and limiting components at both ends of the impeller shaft to prevent the impeller shaft from disengaging during rotation, the safety problems during impeller shaft wear and detection are solved, and stable rotation and safety detection are achieved.
Patent Information
- Application Number
- CN202422316599.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-23
AI Technical Summary
In the prior art, the impeller shaft is prone to slip during rotation, resulting in severe wear of the impeller shaft and the pump shaft. The center degree detection device may cause the impeller to contact the peripheral device during detection, causing an accident.
A device that limits both ends of the impeller shaft is adopted, including a work table, a rotating device, a support seat, a limiting assembly and a moving member. The rotating device drives the impeller shaft to rotate, and the support seat supports the impeller shaft. The limiting assembly and a moving member prevent the impeller shaft from disengaging, and use a ball to resist the end surface of the impeller shaft to ensure its stable rotation.
Effectively prevent the impeller shaft from breaking away from the rotating device during rotation, reduce wear, avoid contact with peripheral devices, and improve service life and safety.
Smart Images
Figure CN223084607U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of impellers, and particularly to a device for restricting both ends of an impeller shaft. Background Art
[0002] In the prior art, during the processing and production of a pump, the impeller of the pump is fixed on the pump shaft; however, during the rotation process of the impeller, a slipping phenomenon will occur. Since the shaft body of this impeller shaft is directly connected to the impeller, when the slipping phenomenon occurs, the impeller causes relatively large wear on the shaft body, reducing the service life of the impeller shaft.
[0003] The pump shaft and the impeller are connected by a threaded connection. To ensure concentricity, a small clearance fit is adopted at the two end points where the pump shaft and the impeller shaft are connected; the same is true during processing, ensuring concentricity and thickening the impeller shaft.
[0004] Due to the limitation of the impeller shape, when the existing concentricity detection device detects the concentricity of the impeller shaft and the pump shaft, when rotating the impeller shaft, the impeller shaft will move left and right, causing the impeller to contact the surrounding driving device or limiting device, resulting in an accident. Summary of the Utility Model
[0005] By providing a device for restricting both ends of an impeller shaft in an embodiment of the present application, the problem in the prior art that when the existing concentricity detection device detects the concentricity of the impeller shaft and the pump shaft, when rotating the impeller shaft, the impeller shaft will move left and right, causing the impeller to contact the surrounding driving device or limiting device, resulting in an accident is solved.
[0006] The technical solution adopted in the embodiment of the present application is as follows.
[0007] A device for restricting both ends of an impeller shaft includes a workbench, a rotating device arranged on the workbench, support seats arranged on both sides of the rotating device, an impeller shaft rotatably arranged on the support seats, a first support member arranged on one side of the support seats, a limiting component pressing against the end face of the impeller shaft, and a moving member driving the first support member to move relatively left and right; the rotating device is arranged at the middle of the workbench; there are two groups of support seats arranged oppositely; the first support member is arranged on both sides of the workbench; the moving member is rotatably arranged above the workbench; the moving member is threadedly penetrated through the first support member; the limiting component is arranged on the first support member.
[0008] As a further improvement of the above technical solution: The limiting component includes a first block, a second block rotatable on the first block, a limiting member for restricting the angle of the second block, an extension rod slidable on the second block, and ball bearings pressing against both ends of the impeller shaft; the first block is arranged on the first support member; a first groove is formed in the second block; the shape of the first groove corresponds to that of the extension rod; a second groove is formed in the top wall of the first groove; first plates are arranged on both sides of the second groove; there are two groups of the first plates arranged oppositely; a fixing member is inserted through one group of the first plates; the other end of the fixing member is threadedly connected to the other group of the first plates; the ball bearings roll on the end face of the extension rod; the limiting member is inserted through the first block and threadedly connected to the second block.
[0009] As a further improvement of the above technical solution: The moving member is a bidirectional screw.
[0010] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
[0011] 1. Since a rotating device is arranged at the middle of the workbench, the rotating device drives the impeller shaft to rotate, support seats are arranged on both sides of the rotating device, the support seats support the impeller shaft to prevent it from disengaging, the impeller shaft rolls on the support seats, the two sides of the workbench are slidably connected with first support members, there are two groups of the first support members arranged oppositely, a moving member is rotatably connected above the workbench, the moving member is a bidirectional screw, the threaded part of the moving member is threadedly inserted through the first support member, a first block is arranged on the first support member, a second block is rotatably connected to the first block, the first block is in a concave shape, a limiting member is rotatably connected to the first block, the limiting member is a bolt, the limiting member is threadedly inserted through the second block, when one end of the limiting member presses against the first block, the angle of the second block is fixed, when one end of the limiting member does not contact the first block, the angle of the second block can change, a first groove is formed in the second block, the first groove is circular, a second groove is formed in the top wall of the first groove, first plates are arranged on both sides of the second groove, there are two groups of the first plates arranged oppositely, a fixing member is inserted through one group of the first plates, the fixing member is a bolt, the threaded end of the fixing member is threadedly inserted through the other group of the first plates, the extension rod slides in the first groove, ball bearings are arranged on the end face of the extension rod, the ball bearings roll in the extension rod, the ball bearings press against the end face of the impeller shaft to prevent it from disengaging from the rotating device, thereby realizing pressing against both end faces of the impeller shaft to prevent it from disengaging from the rotating device. Description of the Drawings
[0012] Figure 1 It is a schematic structural diagram of the device for restricting both ends of the impeller shaft in the present utility model.
[0013] Figure 2 It is a schematic cross-sectional structural diagram of the limiting component in the present utility model.
[0014] Figure 3 For Figure 1 Partial enlarged view of A in
[0015] In the figure: 1, workbench; 2, rotating device; 3, support base; 4, first support member; 5, limiting assembly; 51, first block; 52, second block; 521, first groove; 522, second groove; 523, first plate; 53, limiting member; 54, extension rod; 55, ball; 56, fixing member; 6, moving member; 7, impeller shaft. Specific embodiments
[0016] By providing a device for restricting both ends of the impeller shaft in the embodiments of the present application, the problem in the prior art that when the existing concentricity detection device detects the concentricity of the impeller shaft and the pump shaft, the impeller shaft will move left and right when the impeller shaft rotates, which will cause the impeller to contact the surrounding driving device or limiting device, resulting in accidents is solved.
[0017] The technical solutions in the embodiments of the present application to solve the above problems are generally as follows
[0018] To better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the specification drawings and specific embodiments.
[0019] A device for restricting both ends of the impeller shaft includes a workbench 1, a rotating device 2 arranged on the workbench 1, support bases 3 arranged on both sides of the rotating device 2, an impeller shaft 7 rotating on the support bases 3, a first support member 4 arranged on one side of the support base 3, a limiting assembly 5 abutting against the end face of the impeller shaft 7, and a moving member 6 driving the first support member 4 to move relatively left and right; the rotating device 2 is arranged in the middle of the workbench 1; there are two sets of support bases 3 arranged oppositely; the first support member 4 is arranged on both sides of the workbench 1; the moving member 6 rotates above the workbench 1; the moving member 6 is threadedly penetrated through the first support member 4; the limiting assembly 5 is arranged on the first support member 4.
[0020] The limiting assembly 5 includes a first block 51, a second block 52 rotating on the first block 51, a limiting member 53 restricting the angle of the second block 52, an extension rod 54 sliding on the second block 52, and balls 55 abutting against both ends of the impeller shaft 7; the first block 51 is arranged on the first support member 4; a first groove 521 is opened on the second block 52; the shape of the first groove 521 corresponds to that of the extension rod 54; a second groove 522 is opened on the top wall of the first groove 521; first plates 523 are arranged on both sides of the second groove 522; there are two sets of first plates 523 arranged oppositely; a fixing member 56 is penetrated through one set of first plates 523; the other end of the fixing member 56 is threadedly connected to the other set of first plates 523; the balls 55 roll on the end face of the extension rod 54; the limiting member 53 is penetrated through the first block 51 and threadedly connected to the second block 52.
[0021] The moving part 6 is a bidirectional screw.
[0022] A rotating device 2 is arranged at the middle of the workbench 1. The rotating device 2 drives the impeller shaft 7 to rotate. Support seats 3 are arranged on both sides of the rotating device 2. The support seats 3 support the impeller shaft 7 to prevent it from disengaging. The impeller shaft 7 rolls on the support seats 3. Two sets of first support members 4 are slidably connected to both sides of the workbench 1. The first support members 4 are arranged oppositely. A moving part 6 is rotatably connected above the workbench 1. The moving part 6 is a bidirectional screw. The threaded part of the moving part 6 is threadedly penetrated through the first support member 4. A first block 51 is arranged on the first support member 4. A second block 52 is rotatably connected to the first block 51. The first block 51 is in a concave shape. A limiting member 53 is rotatably connected to the first block 51. The limiting member 53 is a bolt. The limiting member 53 is threadedly penetrated through the second block 52. When one end of the limiting member 53 abuts against the first block 51, the angle of the second block 52 is fixed. When one end of the limiting member 53 does not contact the first block 51, the angle of the second block 52 can be changed. A first groove 521 is formed in the second block 52. The first groove 521 is circular. A second groove 522 is formed in the top wall of the first groove 521. First plates 523 are arranged on both sides of the second groove 522. Two sets of first plates 523 are arranged oppositely. A fixing member 56 is penetrated through one set of the first plates 523. The fixing member 56 is a bolt. The threaded end of the fixing member 56 is threadedly penetrated through the other set of the first plates 523. An extension rod 54 slides in the first groove 521. A ball 55 is arranged on the end face of the extension rod 54. The ball 55 rolls in the extension rod 54. The ball 55 abuts against the end face of the impeller shaft 7 to prevent it from disengaging from the rotating device 2.
[0023] Since a rotating device 2 is provided at the middle of the workbench 1, the rotating device 2 drives the impeller shaft 7 to rotate. Support seats 3 are provided on both sides of the rotating device 2. The support seats 3 support the impeller shaft 7 to prevent it from disengaging. The impeller shaft 7 rolls on the support seats 3. Two sets of first support members 4 are slidably connected to both sides of the workbench 1. The first support members 4 are arranged oppositely. A moving member 6 is rotatably connected above the workbench 1. The moving member 6 is a bidirectional screw. The threaded part of the moving member 6 is threadedly inserted into the first support member 4. A first block 51 is provided on the first support member 4. A second block 52 is rotatably connected to the first block 51. The first block 51 is concave-shaped. A limiting member 53 is rotatably connected to the first block 51. The limiting member 53 is a bolt. The limiting member 53 is threadedly inserted into the second block 52. When one end of the limiting member 53 abuts against the first block 51, the angle of the second block 52 is fixed. When one end of the limiting member 53 does not contact the first block 51, the angle of the second block 52 can be changed. A first groove 521 is formed in the second block 52. The first groove 521 is circular. A second groove 522 is formed in the top wall of the first groove 521. First plates 523 are provided on both sides of the second groove 522. Two sets of the first plates 523 are arranged oppositely. A fixing member 56 is inserted through one set of the first plates 523. The fixing member 56 is a bolt. The threaded end of the fixing member 56 is threadedly inserted into the other set of the first plates 523. An extension rod 54 slides in the first groove 521. A ball 55 is provided on the end face of the extension rod 54. The ball 55 rolls in the extension rod 54. The ball 55 abuts against the end face of the impeller shaft 7 to prevent it from disengaging from the rotating device 2. Thus, both end faces of the impeller shaft 7 are abutted against to prevent it from disengaging from the rotating device 2.
[0024] Although the preferred embodiments of the present invention have been described, those skilled in the art can make additional changes and modifications once they learn the basic creative concept. Therefore, the appended claims are intended to be construed to include the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.
[0025] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.
Claims
1. A device for restricting both ends of an impeller shaft, characterized in that It includes a workbench (1), a rotating device (2) arranged on the workbench (1), support seats (3) arranged on both sides of the rotating device (2), an impeller shaft (7) rotating on the support seats (3), a first support member (4) arranged on one side of the support seats (3), a limiting component (5) abutting against the end face of the impeller shaft (7), and a moving member (6) driving the first support member (4) to move relatively left and right; the rotating device (2) is arranged at the middle of the workbench (1); there are two groups of the support seats (3) arranged oppositely; the first support member (4) is arranged on both sides of the workbench (1); the moving member (6) rotates above the workbench (1); the moving member (6) is threadedly penetrated through the first support member (4); the limiting component (5) is arranged on the first support member (4).
2. The device for restricting both ends of the impeller shaft according to claim 1, wherein, The limiting component (5) includes a first block (51), a second block (52) rotating on the first block (51), a limiting member (53) restricting the angle of the second block (52), an extension rod (54) sliding on the second block (52), and balls (55) abutting against both ends of the impeller shaft (7); the first block (51) is arranged on the first support member (4); a first groove (521) is formed on the second block (52); the shape of the first groove (521) corresponds to that of the extension rod (54); a second groove (522) is formed on the top wall of the first groove (521); first plates (523) are arranged on both sides of the second groove (522); there are two groups of the first plates (523) arranged oppositely; a fixing member (56) is penetrated through one group of the first plates (523); the other end of the fixing member (56) is threadedly connected to the other group of the first plates (523); the balls (55) roll on the end face of the extension rod (54); the limiting member (53) is penetrated through the first block (51) and threadedly connected to the second block (52).
3. The device for restricting both ends of the impeller shaft according to claim 2, wherein, The moving member (6) is a bidirectional screw.