Concentricity adjusting device for installation of transmission shaft
By designing a simplified transmission shaft-mounted concentric adjustment device, using components such as connecting plates, fixed brackets, L-shaped adjustment rods and alignment components, the problems of complex structure and cumbersome operation of traditional concentric adjustment devices are solved, and a more efficient and reliable concentric adjustment effect is achieved.
Patent Information
- Application Number
- CN202422216548.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-10
AI Technical Summary
The traditional concentric adjustment device has a complex structure, is difficult to install and adjust, and is cumbersome to operate, making it difficult to achieve the concentric state, affecting work efficiency and may cause mechanical failures.
A transmission shaft-mounted concentric adjustment device is designed, including a first bracket and a second bracket, and the structure is simplified and operational convenience and accuracy is improved through components such as the connecting plate, the fixing bracket, the L-shaped adjustment rod and the alignment assembly.
Without removing the transmission shaft, the concentric adjustment process is significantly simplified, the convenience and accuracy of operation is improved, the accuracy and reliability of adjustment results are ensured, and the risk of mechanical failure is reduced.
Smart Images

Figure CN223029014U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transmission shafts, and more specifically, to a concentric adjustment device for installing a transmission shaft. Background Art
[0002] In the scenario of discussing the transmission of rotational motion between two transmission devices through a shaft, ensuring the height concentricity between the two shafts is crucial for maintaining the stable operation of the system, reducing vibration, extending the service life of the equipment, and improving the overall transmission efficiency. Traditional concentric adjustment devices often increase the difficulty of installation and adjustment due to the complexity of their structural design. The operation process is cumbersome and it is not easy to achieve an ideal concentric state, which not only affects work efficiency but may also cause additional mechanical failures due to improper installation. Content of the Utility Model
[0003] To overcome the deficiencies in the above-mentioned prior art, the utility model provides a concentric adjustment device for installing a transmission shaft. This adjustment device not only greatly simplifies the complex structure of traditional concentric adjustment devices but also significantly improves the convenience and accuracy of operation. Without removing the transmission shaft, technicians can complete the concentric adjustment of the transmission shaft in a shorter time while ensuring the accuracy and reliability of the adjustment result.
[0004] To solve the above technical problems, the technical solution adopted by the utility model is as follows:
[0005] A concentric adjustment device for installing a transmission shaft, which is arranged between two transmission shafts to be concentrically adjusted, includes a first bracket and a second bracket. The first bracket and the second bracket are respectively fixed on the two transmission shafts on both sides to be concentrically adjusted. The first bracket includes a connection disk and a fixed bracket. The connection disk is connected to the transmission shaft, and one end of the fixed bracket is connected to the center of the connection disk through a screw. The fixed bracket has an "L" - shaped structure. The second bracket includes a connection cover, a fixed sleeve, an L - shaped adjusting rod, and an alignment component. The connection cover is connected to the transmission shaft. The fixed sleeve is fixedly arranged at the central position of the connection cover, and the fixed sleeve is perpendicular to the connection cover. The L - shaped adjusting rod is movably inserted on the side of the fixed sleeve away from the connection cover, and the alignment component is fixedly arranged on the side of the L - shaped adjusting rod away from the fixed sleeve.
[0006] The connection disk is connected to the transmission shaft through fixing bolts, and multiple groups of fixing bolts are annularly arranged on the disk surface of the connection disk.
[0007] One end of the fixed bracket connected to the connection disk is provided with a connection ring, and the fixed bracket is connected to the connection disk through the connection ring and the screw.
[0008] One end of the fixed bracket away from the connection disk is provided with a first alignment tip, and a transverse adjustment component is arranged on the fixed bracket.
[0009] The transverse adjustment component includes an outer tube, a telescopic alignment rod and a first adjustment bolt. The outer tube is fixedly arranged on the fixed bracket. The telescopic alignment rod is slidably arranged in the outer tube. The telescopic alignment rod is arranged parallel to the axis of the connection disk. The first adjustment bolt is arranged on the outer tube to limit and control the telescopic alignment rod.
[0010] The connection cover is connected to the transmission shaft through a positioning bolt.
[0011] A second adjustment bolt is arranged on the fixed sleeve to limit and control the L-shaped adjustment rod.
[0012] The alignment component includes an outer sleeve and a movable rod. The outer sleeve is fixedly arranged on the L-shaped adjustment rod. The movable rod is slidably arranged in the outer sleeve. A second alignment tip is arranged at the top of the movable rod. A fixed alignment rod is arranged on the side wall of the part of the movable rod extending out of the outer sleeve. A third adjustment bolt is arranged on the outer sleeve to limit and control the movable rod.
[0013] A spring is arranged between the bottom of the movable rod and the inner bottom surface of the outer sleeve.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] The connection disk and the connection cover can be quickly connected to the transmission shaft to be concentrically adjusted, which is convenient for the installation and use of the device. By aligning the first alignment tip and the second alignment tip and measuring the distance between the two, the concentric situation between the two transmission shafts can be obtained. By measuring the distance between the telescopic alignment rod and the fixed alignment rod, the concentric situation between the two transmission shafts can be reflected. The telescopic movement of the L-shaped adjustment rod 13 can adjust the position of the alignment component. The setting of the spring can better control the position of the movable rod. The complex structure of the traditional concentric adjustment device is greatly simplified, and the operation convenience and accuracy are significantly improved. Without removing the transmission shaft, technicians can complete the concentric adjustment work of the transmission shaft in a shorter time, and at the same time ensure the accuracy and reliability of the adjustment result. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic diagram of the use of the present utility model;
[0017] Figure 2 is a schematic diagram of the disassembly of the present utility model;
[0018] Figure 3 is a schematic diagram of the alignment component of the present utility model;
[0019] Figure 4 This is the front view of the fixing bracket of the present utility model;
[0020] Figure 5 This is the side view of the fixing bracket of the present utility model;
[0021] In the figure: 1 is a connection disk, 2 is a fixing bolt, 3 is a fixing bracket, 4 is a first alignment tip, 5 is a connection ring, 6 is an outer tube, 7 is a telescopic alignment rod, 8 is a first adjustment bolt, 9 is a connection cover, 10 is a positioning bolt, 11 is a fixing sleeve, 12 is a second adjustment bolt, 13 is an L-shaped adjustment rod, 14 is an alignment assembly, 15 is an outer sleeve, 16 is a movable rod, 17 is a fixing alignment rod, 18 is a second alignment tip, 19 is a spring, 20 is a third adjustment bolt. Detailed implementation manners
[0022] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0023] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from the description herein. Therefore, the protection scope of the present utility model is not limited by the specific embodiments disclosed below.
[0024] As Figures 1 to 5 shown, a concentric adjustment device for a drive shaft installation is provided between two drive shafts to be concentrically adjusted. The device includes a first bracket and a second bracket. The first bracket and the second bracket are respectively fixed on the two drive shafts on both sides to be concentrically adjusted. The first bracket includes a connection disk 1 and a fixing bracket 3. The connection disk 1 is connected to the drive shaft. One end of the fixing bracket 3 is connected to the center of the connection disk 1 through a screw rod. The fixing bracket 3 has an "L" - shaped structure. The second bracket includes a connection cover 9, a fixing sleeve 11, an L-shaped adjustment rod 13 and an alignment assembly 14. The connection cover 9 is connected to the drive shaft. The fixing sleeve 11 is fixedly arranged at the center position of the connection cover 9. The fixing sleeve 11 is vertically arranged with respect to the connection cover 9. The L-shaped adjustment rod 13 is movably inserted on the side of the fixing sleeve 11 away from the connection cover 9. The alignment assembly 14 is fixedly arranged on the side of the L-shaped adjustment rod 13 away from the fixing sleeve 11. The first bracket and the second bracket are respectively fixed on the two drive shafts to be concentrically adjusted, so that both the fixing bracket 3 and the L-shaped adjustment rod 13 are vertically upward. Observe the position of the alignment assembly 14 and the fixing bracket 3. Rotate the drive shafts on both sides. The fixing bracket 3 and the L-shaped adjustment rod 13 rotate synchronously in a circular motion. During the rotation process, observe the positional relationship between the alignment assembly 14 and the fixing bracket 3, and adjust the position of the drive shaft.
[0025] Preferably, the connecting plate 1 is connected to the transmission shaft by fixing bolts 2, and multiple groups of fixing bolts 2 are annularly arranged on the disk surface of the connecting plate 1.
[0026] Preferably, a connecting ring 5 is arranged at one end of the fixing bracket 3 connected to the connecting plate 1, and the fixing bracket 3 is connected to the connecting plate 1 through the connecting ring 5 and a screw rod.
[0027] Preferably, a first alignment tip 4 is arranged at one end of the fixing bracket 3 away from the connecting plate 1, and a lateral adjustment assembly is arranged on the fixing bracket 3.
[0028] Preferably, the lateral adjustment assembly includes an outer tube 6, a telescopic alignment rod 7 and a first adjustment bolt 8. The outer tube 6 is fixedly arranged on the fixing bracket 3. The telescopic alignment rod 7 is slidably arranged in the outer tube 6. The telescopic alignment rod 7 is arranged parallel to the axis of the connecting plate 1. The first adjustment bolt 8 is arranged on the outer tube 6, and the first adjustment bolt 8 performs limit control on the telescopic alignment rod 7.
[0029] Preferably, the connecting cover 9 is connected to the transmission shaft by positioning bolts 10.
[0030] Preferably, a second adjustment bolt 12 is arranged on the fixed sleeve 11, and the second adjustment bolt 12 performs limit control on the L-shaped adjustment rod 13.
[0031] Preferably, the alignment assembly 14 includes an outer sleeve 15 and a movable rod 16. The outer sleeve 15 is fixedly arranged on the L-shaped adjustment rod 13. The movable rod 16 is slidably arranged in the outer sleeve 15. A second alignment tip 18 is arranged at the top of the movable rod 16. A fixed alignment rod 17 is arranged on the side wall of the part of the movable rod 16 extending out of the outer sleeve 15. A third adjustment bolt 20 is arranged on the outer sleeve 15, and the third adjustment bolt 20 performs limit control on the movable rod 16.
[0032] Preferably, a spring 19 is arranged between the bottom of the movable rod 16 and the inner bottom surface of the outer sleeve 15.
[0033] During use, the first bracket and the second bracket are respectively fixedly arranged on two transmission shafts to be concentrically adjusted. The fixing bracket 3 and the L-shaped adjustment rod 13 are both arranged vertically upward. Adjust the positions of the telescopic alignment rod 7, the L-shaped adjustment rod 13 and the movable rod 16 to align the first alignment tip 4 and the second alignment tip 18 correspondingly, and align the end faces of the telescopic alignment rod 7 and the fixed alignment rod 17. Synchronously rotate the fixing bracket 3 and the L-shaped adjustment rod 13 in four directions of the circumference, and use a feeler gauge to measure the distance between the first alignment tip 4 and the second alignment tip 18, and the distance between the end faces of the telescopic alignment rod 7 and the fixed alignment rod 17 at different positions.
[0034] The above only describes in detail the preferred embodiments of the present utility model. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present utility model, and all such changes should be included within the protection scope of the present utility model.
Claims
1. A transmission shaft installation concentric adjustment device, which is arranged between two transmission shafts to be concentrically adjusted, characterized in that: The invention comprises a first bracket and a second bracket, wherein the first bracket and the second bracket are respectively fixed on two side transmission shafts to be concentrically adjusted, the first bracket comprises a connecting plate (1) and a fixing bracket (3), the connecting plate (1) is connected to the transmission shaft, one end of the fixing bracket (3) is connected to the center of the connecting plate (1) by a screw, and the fixing bracket (3) is in an "L"-shaped structure, and the second bracket comprises a connecting cover (9), a fixing sleeve (11), an L-shaped adjustment rod (13) and an alignment component (14), the connecting cover (9) is connected to the transmission shaft, the fixing sleeve (11) is fixedly arranged at the center of the connecting cover (9), the fixing sleeve (11) and the connecting cover (9) are arranged vertically, the L-shaped adjustment rod (13) is movably inserted on a side of the fixing sleeve (11) away from the connecting cover (9), and the alignment component (14) is fixedly arranged on a side of the L-shaped adjustment rod (13) away from the fixing sleeve (11).
2. A transmission shaft installation concentricity adjustment device according to claim 1, characterized in that: The connecting disk (1) is connected to the transmission shaft via fixing bolts (2), and a plurality of groups of fixing bolts (2) are arranged in an annular manner on the disk surface of the connecting disk (1).
3. A transmission shaft installation concentricity adjustment device according to claim 1, characterized in that: One end of the fixed bracket (3) connected to the connecting plate (1) is provided with a connecting ring (5), and the fixed bracket (3) is connected to the connecting plate (1) via the connecting ring (5) and a screw rod.
4. A transmission shaft installation concentricity adjustment device according to claim 1, characterized in that: A first alignment tip (4) is provided at one end of the fixing bracket (3) away from the connecting plate (1), and a lateral adjustment component is provided on the fixing bracket (3).
5. A transmission shaft installation concentricity adjustment device according to claim 4, characterized in that: The lateral adjustment assembly comprises an outer tube (6), a telescopic alignment rod (7) and a first adjustment bolt (8); the outer tube (6) is fixedly arranged on the fixed bracket (3); the telescopic alignment rod (7) is slidably arranged in the outer tube (6); the telescopic alignment rod (7) is arranged parallel to the axis of the connecting plate (1); the first adjustment bolt (8) is arranged on the outer tube (6); and the first adjustment bolt (8) performs position limiting control on the telescopic alignment rod (7).
6. A transmission shaft installation concentricity adjustment device according to claim 1, characterized in that: The connection cover (9) is connected to the transmission shaft via positioning bolts (10).
7. The transmission shaft installation concentricity adjustment device according to claim 1, characterized in that: The fixed sleeve (11) is provided with a second adjusting bolt (12), and the second adjusting bolt (12) performs position limiting control on the L-shaped adjusting rod (13).
8. The transmission shaft installation concentricity adjustment device according to claim 5, characterized in that: The alignment assembly (14) comprises an outer sleeve (15) and a movable rod (16); the outer sleeve (15) is fixedly arranged on the L-shaped adjustment rod (13); the movable rod (16) is slidably arranged in the outer sleeve (15); a second alignment tip (18) is arranged at the top of the movable rod (16); a fixed alignment rod (17) is arranged on the side wall of the part of the movable rod (16) extending out of the outer sleeve (15); a third adjustment bolt (20) is arranged on the outer sleeve (15); and the third adjustment bolt (20) performs position limiting control on the movable rod (16).
9. A transmission shaft installation concentricity adjustment device according to claim 8, characterized in that: A spring (19) is provided between the bottom of the movable rod (16) and the inner bottom surface of the outer sleeve (15).