Fastening shaft sleeve for machining fan mandrel

Abstract

The utility model provides a fastening shaft sleeve for machining a fan mandrel, which comprises a penetrating shaft sleeve component, fastening shaft sleeve components are mounted at two ends of the penetrating shaft sleeve component, a fastening adjusting component is arranged at the side end of the penetrating shaft sleeve component, fine-tuning fastening components are arranged at two ends of the fastening shaft sleeve component, and fine-tuning fastening components are arranged at two ends of the fine-tuning fastening components. An elastic positioning assembly is arranged on the inner wall of the fastening shaft sleeve assembly. According to the fastening shaft sleeve for machining the fan mandrel, fine adjustment can be conducted on the positions of the fastening shaft sleeve assemblies at the two ends through the fine adjustment fastening assemblies arranged on the inner walls of the two ends, the relative positions of the shaft sleeve, the mandrel and a machine tool can be accurately calibrated, and machining eccentricity or vibration caused by installation deviation is reduced. Besides, in the daily use process of the shaft sleeve, a reliable auxiliary fixing mode can be provided for installation of other workpieces through the arranged fastening adjusting assembly, the workpiece installation process is simpler and more efficient, additional complex tool clamps are not needed, and the installation difficulty and cost are reduced.

Description

Technical Field

[0001] This utility model relates to the field of fastening bushing equipment, and in particular to a fastening bushing for processing a fan spindle. Background Technology

[0002] With the rapid development of the wind power industry, higher requirements have been placed on the machining precision and production efficiency of core wind turbine components. As a key transmission component of wind turbine generator sets, the machining quality of the wind turbine mandrel directly affects the operational stability and service life of the wind turbine. During the mandrel machining process, the fastening bushing, as an important tooling for fixing and positioning the mandrel, plays a crucial role in ensuring machining accuracy and transmitting torque.

[0003] Traditional fastening bushings typically use a fixed structure during installation, making it difficult to precisely adjust the relative position between the bushing, the mandrel, and the machine tool. During machining, even minor installation deviations can cause the mandrel to become eccentric or vibrate, resulting in the dimensional accuracy and geometric tolerances of the machined mandrel failing to meet requirements, thus reducing its practicality. Furthermore, existing bushings lack effective auxiliary installation and fastening structures for different application scenarios.

[0004] Therefore, it is necessary to provide a fastening bushing for machining the fan spindle to solve the above-mentioned technical problems. Utility Model Content

[0005] This utility model provides a fastening bushing for processing fan spindles, which solves the problems of difficulty in accurately adjusting the relative position between the bushing and the spindle and machine tool, and the lack of effective auxiliary installation and fastening structures.

[0006] To solve the above-mentioned technical problems, this utility model provides a through-sleeve assembly for processing a fan spindle. The through-sleeve assembly has fastening sleeve components installed at both ends for adjusting the position of the through-sleeve assembly. The through-sleeve assembly has a fastening adjustment component on its side for auxiliary connection of the workpiece on the side end of the through-sleeve assembly. The fastening sleeve assembly has fine-tuning fastening components at both ends. The inner wall of the fastening sleeve assembly has an elastic positioning component for elastic positioning of the fastening sleeve assembly.

[0007] Preferably, the through bushing assembly includes a fixed bushing, with mating frames fixed at both ends of the fixed bushing for fastening the position of the bushing assembly, and tightening threads provided on the inner wall of the mating frames for tightening the bushing assembly.

[0008] Preferably, the fastening adjustment assembly includes an adjusting locking frame, a locking slider that slides inside the adjusting locking frame, a locking rod installed at the bottom of the locking slider for locking the position of the locking slider, vertical grooves at both ends of the locking slider, a horizontal groove at the bottom of the locking slider, and fastening baffles that slide on the inner walls of the vertical and horizontal grooves for auxiliary installation of the workpiece at the side end of the bushing assembly.

[0009] Preferably, the fastening bushing assembly includes a mating bushing, the mating bushing having a mating thread on its side for tightening the position of the fastening bushing assembly, and a bushing fastener on the top of the mating bushing for securing the separate installation of the bushing assembly. Support plates are fixed at both ends of the mating bushing and the bushing fastener for fine-tuning the workpiece support of the fastening assembly.

[0010] Preferably, the fine-tuning fastening assembly includes a locking frame and a fastening rod. The inner wall of the fastening rod is threaded with a fastening ring for fastening the locking frame. The bottom of the fastening rod has a fastening groove for rotating the position of the fastening rod. Positioning rods are provided at both ends of the fastening rod for positioning the position of the fastening rod.

[0011] Preferably, the elastic positioning component includes an elastic support rod and an auxiliary positioning plate. The elastic support rod is installed on the inner wall of the side end of the fastening bushing assembly, and the auxiliary positioning plate is installed on the inner wall of the side end of the elastic support rod for elastic positioning of the fastening bushing assembly.

[0012] Compared with related technologies, the fastening bushing for processing the fan spindle provided by this utility model has the following beneficial effects:

[0013] This utility model provides a fastening bushing for machining a fan spindle. To improve the ease of installation and performance during daily use, the bushing features fine-tuning fastening components on its inner walls at both ends. These components allow for precise adjustment of the bushing's position relative to the spindle and machine tool, reducing machining misalignment or vibration caused by installation deviations, improving machining accuracy, simplifying installation procedures, and shortening installation time. Furthermore, the fastening adjustment components provide a reliable auxiliary fixing method for installing other workpieces, making the installation process simpler and more efficient. This eliminates the need for additional complex tooling fixtures, reducing installation difficulty and cost. Attached Figure Description

[0014] Figure 1 A schematic diagram of a preferred embodiment of a fastening bushing for processing a fan spindle provided by this utility model;

[0015] Figure 2 for Figure 1 The diagram shows the structure of the fastening and adjustment assembly.

[0016] Figure 3 for Figure 1 The diagram shows the structure of the fine-tuning fastening assembly.

[0017] Figure 4 for Figure 1 The diagram shows the structure of the locking slider.

[0018] Figure 5 for Figure 1 The diagram shows the structure of the mating thread.

[0019] The following are the labeling elements in the diagram: 1. Through-sleeve assembly; 11. Fixed sleeve; 12. Connecting frame; 13. Tightening thread; 2. Fastening adjustment assembly; 21. Adjusting locking frame; 22. Locking slider; 23. Locking rod; 24. Vertical slide groove; 25. Horizontal slide groove; 26. Fastening baffle; 3. Fastening sleeve assembly; 31. Connecting sleeve; 32. Connecting thread; 33. Sleeve fastener; 34. Support plate; 4. Fine-tuning fastening assembly; 41. Locking frame; 42. Fastening rod; 43. Fastening ring; 44. Fastening groove; 45. Positioning rod; 5. Elastic positioning assembly; 51. Elastic support rod; 52. Auxiliary positioning plate. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of a fastening bushing for processing a fan spindle provided by this utility model; Figure 2 for Figure 1 The diagram shows the structure of the fastening and adjustment assembly. Figure 3 for Figure 1 The diagram shows the structure of the fine-tuning fastening assembly. Figure 4 for Figure 1 The diagram shows the structure of the locking slider. Figure 5 for Figure 1 The diagram shows a schematic of the mating thread. A fastening bushing for machining a fan spindle includes: a through bushing assembly 1, fastening bushing assemblies 3 installed at both ends of the through bushing assembly 1 for adjusting the position of the through bushing assembly 1, a fastening adjustment assembly 2 provided on the side end of the through bushing assembly 1 for auxiliary connection of the workpiece on the side end of the through bushing assembly 1, fine-tuning fastening assemblies 4 provided at both ends of the fastening bushing assembly 3, and an elastic positioning assembly 5 provided on the inner wall of the fastening bushing assembly 3 for elastic positioning of the fastening bushing assembly 3.

[0022] The through bushing assembly 1 includes a fixed bushing 11, with docking frames 12 fixed at both ends of the fixed bushing 11 for fastening the position docking of the bushing assembly 3. The inner wall of the docking frame 12 is provided with tightening threads 13 for fastening the tightening docking of the bushing assembly 3.

[0023] The segmented fixed bushing 11 allows for flexible installation and adjustment of the structure, and during installation and tightening, it can easily contact and fasten with the tightening thread 13, providing convenience for use.

[0024] The through-shaft sleeve assembly 1 includes, but is not limited to, an integral structure and a segmented structure; in this embodiment, the through-shaft sleeve assembly 1 is preferably a segmented structure.

[0025] The fastening adjustment assembly 2 includes an adjusting locking frame 21, inside which a locking slider 22 slides. A locking rod 23 is installed at the bottom of the locking slider 22 for locking the position of the locking slider 22. Vertical grooves 24 are provided at both ends of the locking slider 22, and a horizontal groove 25 is provided at the bottom of the locking slider 22. Fastening baffles 26 slide on the inner walls of the vertical grooves 24 and the horizontal grooves 25 for auxiliary installation of the workpiece at the side end of the bushing assembly 1.

[0026] When other auxiliary structures need to be installed, the position of the internal locking slider 22 can be adjusted first, and the position can be locked and fixed by the bottom locking rod 23. After adjusting to the appropriate position, the fastening baffle 26 can be flexibly connected to the vertical slide groove 24 and the horizontal slide groove 25 for position installation and connection.

[0027] The fastening adjustment component 2 includes, but is not limited to, threaded fastening and wedge-shaped fastening; in this embodiment, the fastening adjustment component 2 is preferably threaded fastening.

[0028] The fastening bushing assembly 3 includes a mating bushing 31, the mating bushing 31 has a mating thread 32 on its side end for tightening the position of the fastening bushing assembly 3, the mating bushing 31 has a bushing fastener 33 on its top for fastening the split installation of the bushing assembly 3, and the mating bushing 31 and the bushing fastener 33 have support plates 34 fixed at both ends for fine-tuning the workpiece support of the fastening assembly 4.

[0029] When the fastening bushing assembly 3 is installed and connected, the position can be connected through the mating thread 32 on the inner wall of the side end. The structure can be pre-installed and fixed in position to improve the convenience of installing other workpieces and simplify the installation steps of the workpieces.

[0030] Among them, the fastening bushing assembly 3 includes, but is not limited to, elastic expansion sleeve type and hydraulic pneumatic type; in this embodiment, the fastening bushing assembly 3 is preferably elastic expansion sleeve type.

[0031] The fine-tuning fastening assembly 4 includes a locking frame 41 and a fastening rod 42. The inner wall of the fastening rod 42 is threaded with a fastening ring 43 for fastening the locking frame 41. The bottom of the fastening rod 42 is provided with a fastening groove 44 for rotating the position of the fastening rod 42. Positioning rods 45 are provided at both ends of the fastening rod 42 for positioning the position of the fastening rod 42.

[0032] When the fastening bushing assembly 3 is fastened in position, the fastening rod 42 is first rotated through the fastening groove 44. When it is rotated, the fastening ring 43 connected by threads on the inner wall will move downward. With continuous position movement, it can be easily locked into the inner wall of the locking frame 41 for convenient position locking and fixation, thereby improving the ease of installation of the device structure.

[0033] Among them, the fine-tuning fastening component 4 includes, but is not limited to, a manual fastening component and an electric fastening component; in this embodiment, the fine-tuning fastening component 4 is preferably a manual fastening component.

[0034] The elastic positioning component 5 includes an elastic support rod 51 and an auxiliary positioning plate 52. The elastic support rod 51 is installed on the inner wall of the side end of the fastening bushing assembly 3, and the auxiliary positioning plate 52 is installed on the inner wall of the side end of the elastic support rod 51 for elastic positioning of the fastening bushing assembly 3.

[0035] After the fastening bushing assembly 3 is installed in position, the auxiliary positioning plate 52 on the inner wall will be elastically supported by the elastic support rod 51 to perform auxiliary positioning and clamping operation on the inner wall of the bushing.

[0036] The elastic positioning component 5 includes, but is not limited to, a spring positioning structure and a spring top pin structure; in this embodiment, the elastic positioning component 5 preferably has a spring positioning structure.

[0037] The working principle of the fastening bushing for machining a fan spindle provided by this utility model is as follows:

[0038] In daily installation and use, the fastening bushing first installs the through bushing assembly 1 onto the inner wall of the shaft body, and then tightens the two fastening bushing assemblies 3 at both ends to the inner wall of the side end of the through bushing assembly 1. After tightening, the position can be easily locked by the fine-adjustment fastening assembly 4 between the inner walls. When locking the position, the internal structure of the fastening bushing assembly 3 can be easily installed and fixed, and fastened to the inner wall of the shaft body to reduce the loosening of the workpiece during use. At the same time, the elastic positioning assembly 5 set on the inner wall will stably clamp the structure to the inner wall of the shaft body to further reduce positional deviation. Subsequently, when it is necessary to install other auxiliary structures, the fastening adjustment assembly 2 can be slidably locked to the position for the installation and connection of the structure.

[0039] Compared with related technologies, the fastening bushing for processing the fan spindle provided by this utility model has the following beneficial effects:

[0040] To improve the ease of installation and performance of the bushing during routine installation and use, the fine-tuning fastening components 4 located on the inner walls of both ends allow for precise adjustment of the position of the bushing fastening components 3 at both ends. This enables accurate calibration of the relative position of the bushing with the mandrel and machine tool, reducing machining eccentricity or vibration caused by installation deviations, improving machining accuracy, simplifying the installation process, and shortening installation time. Furthermore, the fastening adjustment components 2 provide a reliable auxiliary fixing method for the installation of other workpieces during daily use, making the workpiece installation process simpler and more efficient, eliminating the need for additional complex tooling fixtures, and reducing installation difficulty and cost.

[0041] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A fastening bushing for machining a fan spindle, characterized in that, include: A through-sleeve assembly is provided, with fastening sleeve assemblies installed at both ends for adjusting the position of the through-sleeve assembly. A fastening adjustment assembly is provided on the side end of the through-sleeve assembly for auxiliary connection of the workpiece on the side end of the through-sleeve assembly. Fine-tuning fastening assemblies are provided at both ends of the fastening sleeve assembly. An elastic positioning assembly is provided on the inner wall of the fastening sleeve assembly for elastic positioning of the fastening sleeve assembly.

2. The fastening bushing for machining a fan spindle according to claim 1, characterized in that, The through bushing assembly includes a fixed bushing, with mating frames fixed at both ends of the fixed bushing for fastening the position of the bushing assembly. The inner wall of the mating frame is provided with tightening threads for tightening the bushing assembly.

3. The fastening bushing for machining a fan spindle according to claim 1, characterized in that, The fastening and adjusting assembly includes an adjusting locking frame, a locking slider that slides inside the adjusting locking frame, a locking rod installed at the bottom of the locking slider for locking the position of the locking slider, vertical grooves at both ends of the locking slider, and a horizontal groove at the bottom of the locking slider. Fastening baffles slide on the inner walls of the vertical and horizontal grooves for auxiliary installation of the workpiece at the side end of the bushing assembly.

4. A fastening bushing for machining a fan spindle according to claim 1, characterized in that, The fastening bushing assembly includes a mating bushing with mating threads on its side for tightening the position of the bushing assembly. A bushing fastener is provided on the top of the mating bushing for securing the split installation of the bushing assembly. Support plates are fixed at both ends of the mating bushing and the bushing fastener for fine-tuning the workpiece support of the fastening assembly.

5. A fastening bushing for machining a fan spindle according to claim 1, characterized in that, The fine-tuning fastening assembly includes a locking frame and a fastening rod. The inner wall of the fastening rod is threaded with a fastening ring for fastening the locking frame. The bottom of the fastening rod has a fastening groove for rotating the position of the fastening rod. Positioning rods are provided at both ends of the fastening rod for positioning the position of the fastening rod.

6. A fastening bushing for machining a fan spindle according to claim 1, characterized in that, The elastic positioning component includes an elastic support rod and an auxiliary positioning plate. The elastic support rod is installed on the inner wall of the side end of the fastening bushing assembly, and the auxiliary positioning plate is installed on the inner wall of the side end of the elastic support rod for elastic positioning of the fastening bushing assembly.

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