Inclined surface machining mechanism of supporting roll shaft
By using a tilting surface machining mechanism for the support roller shaft, and utilizing a multi-motor drive and gear meshing structure, precise adjustment of the rotation and milling mechanism of the support roller shaft in hydropower and nuclear power plant generator sets is achieved. This enables precise tilting surface machining of the support roller shaft in hydropower and nuclear power plant generator sets, solves the transmission problem, improves drive efficiency and equipment service life, and addresses the issues of low transmission efficiency and equipment wear.
Patent Information
- Application Number
- CN202520120958.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Traditional drive methods are insufficient for effectively driving the massive support rollers in hydropower and nuclear power plant generator sets to perform precise inclined milling, resulting in problems such as insufficient power, low transmission efficiency, and severe equipment wear.
An inclined surface machining mechanism for supporting roller shafts is adopted. Through multi-motor drive and gear meshing structure, the rotation of supporting roller shafts and the milling mechanism are precisely adjusted. The mechanism includes sliding connection, threaded connection and rotation structure to ensure that the milling mechanism moves along a predetermined inclined surface trajectory.
It enables precise bevel machining of heavy-duty support rollers, improving drive efficiency and equipment lifespan, and solving the shortcomings of traditional drive methods.
Smart Images

Figure CN223748627U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of supporting roller shaft processing, and specifically relates to a tilt surface processing mechanism of supporting roller shaft. BACKGROUND
[0002] The supporting roller shaft in the generator set of the hydropower station and the nuclear power station can also be called a supporting structure, which is used for supporting and fixing the rotating parts of the generator set and ensuring the stable operation of the generator set. For the generator set of the hydropower station and the nuclear power station, the supporting structure or bearing plays a crucial role.
[0003] In the hydropower station and the nuclear power station, the supporting structure (such as a thrust bearing, a guide bearing, etc.) is used for supporting the rotating parts of the generator set, and these supporting structures can ensure the stability of the generator set during high-speed rotation and prevent damage caused by vibration or imbalance.
[0004] The tilt surface processing mechanism of the supporting roller shaft is a complex and delicate system, which involves the cooperative work of multiple components and assemblies. Through the cooperative work of the assemblies, the tilt surface of the supporting roller shaft can be precisely machined.
[0005] The supporting roller shaft in the generator set of the hydropower station and the nuclear power station is a key component that bears huge mechanical load and transmits torque, and its weight often reaches hundreds of tons. When milling the inclined surface of these huge objects, a crucial step is to drive the supporting roller shaft to rotate to ensure that the milling cutter can be precisely machined along the predetermined inclined surface track. However, due to its huge weight and corresponding inertia, the driving of the supporting roller shaft becomes a very difficult problem.
[0006] Traditional driving methods, such as using a motor to directly drive, often encounter problems such as insufficient power, low transmission efficiency, and severe equipment wear when facing such huge weights. In addition, due to the huge size of the supporting roller shaft, finding a suitable driving point and transmission device is also a big challenge. INVENTION CONTENTS
[0007] The utility model aims at providing a tilt surface processing mechanism of supporting roller shaft, which aims to solve the problem that the weight of the supporting roller shaft in the generator set of the hydropower station and the nuclear power station often reaches hundreds of tons, and when milling the inclined surface of these huge objects, a crucial step is to drive the supporting roller shaft to rotate to ensure that the milling cutter can be precisely machined along the predetermined inclined surface track. However, due to its huge weight and corresponding inertia, the driving of the supporting roller shaft becomes a very difficult problem.
[0008] In order to achieve the above object, the utility model provides the following technical scheme: a kind of inclined surface processing mechanism of supporting roller shaft, including processing cylinder body, the lateral surface of the processing cylinder body is connected with annular guide rail, the surface of the annular guide rail is sleeved with sliding sleeve, the lateral surface of the sliding sleeve is connected with mounting bracket, the side of the mounting bracket is provided with movable frame, the lateral surface of the movable frame is installed with milling mechanism, the surface of the mounting bracket is installed with first driving motor, the output end of the first driving motor is connected with gear, the lateral surface of the processing cylinder body is connected with gear ring, the side of the mounting bracket is provided with rotary block, the inner wall of the movable frame that penetrates rotary block is connected with guide rod, the surface of the rotary block is provided with threaded hole, the inside of the threaded hole is penetrated by threaded rod, first bearing is installed between the threaded rod and movable frame, the end of the threaded rod is connected with second driving motor.
[0009] In order to achieve the annular processing of the surface of supporting roller shaft, as a kind of inclined surface processing mechanism of supporting roller shaft of the utility model, preferably, the sliding sleeve and annular guide rail are slidably connected, and the gear and gear ring are in meshing structure.
[0010] In order to limit the movement direction of movable frame, as a kind of inclined surface processing mechanism of supporting roller shaft of the utility model, preferably, the threaded rod and threaded hole are threadedly connected, the threaded rod is slidably connected between the first bearing and movable frame, and the rotary block and guide rod are slidably connected.
[0011] As a kind of inclined surface processing mechanism of supporting roller shaft of the utility model, preferably, the lateral surface of the mounting bracket is connected with rotating seat, the lateral surface of the rotating seat is embeddedly installed with second bearing, the lateral surface of the rotary block that penetrates second bearing is connected with rotating shaft, the end of the rotating shaft is connected with driven bevel gear, the lateral surface of the mounting bracket is installed with third driving motor, and the output end of the third driving motor is connected with driving bevel gear.
[0012] In order to realize the milling angle adjustment of milling mechanism, as a kind of inclined surface processing mechanism of supporting roller shaft of the utility model, preferably, the rotating shaft and rotating seat constitute rotating structure through the second bearing, and the driving bevel gear and driven bevel gear constitute meshing structure.
[0013] In order to realize the stable installation of mounting cylinder body, as a kind of inclined surface processing mechanism of supporting roller shaft of the utility model, preferably, the inside of the processing cylinder body is inserted with mounting cylinder body, the surface of the mounting cylinder body is installed with first telescopic rod, the telescopic end of the first telescopic rod is connected with clamping plate, the lateral surface of the mounting cylinder body is installed with second telescopic rod, the telescopic end of the second telescopic rod is connected to the lateral surface of the processing cylinder body, the inner wall of the processing cylinder body is provided with guide groove, and the surface of the mounting cylinder body close to the guide groove is connected with guide rail.
[0014] In order to limit the movement direction of the processing cylinder, as a kind of inclined surface processing mechanism of supporting roller shaft of the utility model, preferably, the expansion structure is formed between the clamping plate and the first telescopic rod, the expansion structure is formed between the processing cylinder and the second telescopic rod, the sliding connection is formed between the processing cylinder and the guide rail through the guide groove.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] The first driving motor can drive the gear to rotate, the gear can drive the first driving motor to rotate along the outer ring of the gear ring when rotating on the surface of the gear ring, the first driving motor can drive the sliding sleeve to slide on the surface of the annular guide rail through the mounting frame, and the mounting frame can drive the milling mechanism to rotate on the surface of the supporting roller shaft through the rotating seat, rotating block and movable frame when moving, so that the supporting roller shaft can be milled around by the milling mechanism, and the inclined surface processing of the supporting roller shaft with large weight is facilitated.
[0017] The third driving motor drives the driving bevel gear to rotate, the driving bevel gear drives the rotating shaft to rotate through the driven bevel gear when rotating, the rotating shaft can drive the rotating block to rotate when rotating, and the rotating block can drive the milling mechanism to rotate through the movable frame when rotating, so that the milling angle of the milling mechanism can be adjusted.
[0018] The second driving motor can drive the threaded rod to rotate, the threaded rod can move longitudinally when rotating in the threaded hole, the milling mechanism can move longitudinally through the movable frame when the threaded hole moves longitudinally, so that the milling depth of the supporting roller shaft can be adjusted, and the processing cylinder can move transversely through the second telescopic rod, the milling mechanism can move transversely through the annular guide rail, sliding sleeve, mounting frame, rotating seat, rotating block and movable frame when the processing cylinder moves transversely, so that the milling transverse position of the supporting roller shaft can be adjusted. DRAWINGS
[0019] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, together with the embodiments of the utility model, to explain the utility model, and do not constitute the limitation of the utility model. In the drawings:
[0020] Figure 1 The overall assembly structure schematic view provided by the embodiment of the application.
[0021] Figure 2 The overall assembly structure sectional view provided by the embodiment of the application.
[0022] Figure 3 The milling mechanism mounting structure bottom view provided by the embodiment of the application.
[0023] Figure 4 The milling mechanism mounting structure side view provided by the embodiment of the present application.
[0024] Figure 5 The rotating block adjusting structure schematic view provided by the embodiment of the present application.
[0025] Figure 6 The machining cylinder and clamping plate connecting structure sectional view provided by the embodiment of the present application.
[0026] Figure 7 The machining cylinder guiding structure exploded view provided by the embodiment of the present application.
[0027] Figure 8 The milling mechanism mounting structure side view provided by the embodiment of the present application. Figure 1 The structure schematic view at A in the embodiment of the present application.
[0028] In the figure: 1, machining cylinder; 2, annular guide rail; 3, sliding sleeve; 4, mounting frame; 5, movable frame; 6, milling mechanism; 7, first driving motor; 8, gear; 9, gear ring; 10, rotating block; 11, threaded hole; 12, guide rod; 13, threaded rod; 14, first bearing; 15, second driving motor; 16, rotating seat; 17, rotating shaft; 18, second bearing; 19, driven bevel gear; 20, third driving motor; 21, driving bevel gear; 22, mounting cylinder; 23, first telescopic rod; 24, clamping plate; 25, second telescopic rod; 26, guide groove; 27, guide rail. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0030] Please refer to Figures 1-8The utility model provides the following technical scheme: a kind of inclined plane processing mechanism of supporting roller shaft, including processing cylinder body 1, the side surface of processing cylinder body 1 is connected with annular guide rail 2, the surface of annular guide rail 2 is sleeved with sliding sleeve 3, the side surface of sliding sleeve 3 is connected with mounting bracket 4, one side of mounting bracket 4 is provided with movable frame 5, the side surface of movable frame 5 is installed with milling mechanism 6, the surface of mounting bracket 4 is installed with first drive motor 7, the output of first drive motor 7 is connected with gear 8, the side surface of processing cylinder body 1 is connected with gear ring 9, one side of mounting bracket 4 is provided with rotary block 10, the inner wall of movable frame 5 that passes through rotary block 10 is connected with guide rod 12, the surface of rotary block 10 is provided with threaded hole 11, the inside of threaded hole 11 passes through threaded rod 13, first bearing 14 is installed between threaded rod 13 and movable frame 5, the end of threaded rod 13 is connected with second drive motor 15;
[0031] Preferably: sliding sleeve 3 and annular guide rail 2 are slidably connected, gear 8 and gear ring 9 are meshing structure;
[0032] Specific use, gear 8 can be rotated on the surface of gear ring 9 by first drive motor 7 to drive mounting bracket 4 to rotate along the outer ring of gear ring 9, and the rotation of mounting bracket 4 can drive sliding sleeve 3 to slide on the surface of annular guide rail 2, so that mounting bracket 4 can move in a ring on the surface of supporting roller shaft.
[0033] Preferably: threaded rod 13 and threaded hole 11 are threadedly connected, threaded rod 13 is slidably connected between first bearing 14 and movable frame 5, and rotary block 10 and guide rod 12 are slidably connected;
[0034] Specific use, guide rod 12 can slide in the interior of rotary block 10 when subjected to force, so that the movement direction of movable frame 5 can be limited.
[0035] Preferably: the side surface of mounting bracket 4 is connected with rotating seat 16, second bearing 18 is embedded and installed on the side surface of rotating seat 16, rotating shaft 17 is connected with the side surface of rotary block 10 that penetrates second bearing 18, driven bevel gear 19 is connected with the end of rotating shaft 17, third drive motor 20 is installed on the side surface of mounting bracket 4, and the output of third drive motor 20 is connected with driving bevel gear 21;
[0036] Preferably: rotating shaft 17 and rotating seat 16 constitute rotating structure through second bearing 18, and driving bevel gear 21 and driven bevel gear 19 constitute meshing structure;
[0037] Specific use, driving bevel gear 21 can drive rotating shaft 17 to rotate through driven bevel gear 19 when rotating, and rotating shaft 17 can drive milling mechanism 6 to rotate through rotary block 10 and movable frame 5 when rotating, so that the milling angle of milling mechanism 6 can be adjusted.
[0038] Preferably, the inside of the processing barrel 1 is inserted with a mounting barrel 22, the surface of the mounting barrel 22 is mounted with a first telescopic rod 23, the telescopic end of the first telescopic rod 23 is connected with a clamping plate 24, the side surface of the mounting barrel 22 is mounted with a second telescopic rod 25, the telescopic end of the second telescopic rod 25 is connected to the side surface of the processing barrel 1, the inner wall of the processing barrel 1 is provided with a guide groove 26, and the surface of the mounting barrel 22 close to the guide groove 26 is connected with a guide rail 27.
[0039] In specific use, the first telescopic rod 23 drives the clamping plate 24 to move to the surface of the supporting roller shaft, and the mounting barrel 22 is fixedly installed on the surface of the supporting roller shaft through clamping when the clamping plate 24 moves to the surface of the supporting roller shaft.
[0040] Preferably, the clamping plate 24 and the first telescopic rod 23 constitute a telescopic structure, the processing barrel 1 and the second telescopic rod 25 constitute a telescopic structure, and the processing barrel 1 constitutes a sliding connection between the guide groove 26 and the guide rail 27.
[0041] In specific use, the second telescopic rod 25 can drive the processing barrel 1 to move transversely, and the processing barrel 1 can move transversely by driving the guide groove 26 to slide on the surface of the guide rail 27, so that the movement direction of the processing barrel 1 can be limited.
[0042] In specific use, the working principle of the bevel processing mechanism is that when the bevel processing mechanism is used, the supporting roller shaft is erected on the fixed frame, then the processing barrel 1 and the mounting barrel 22 are sleeved on the end of the supporting roller shaft, then the first telescopic rod 23 can be operated, the first telescopic rod 23 drives the clamping plate 24 to move to the surface of the supporting roller shaft, and the mounting barrel 22 is fixedly installed on the surface of the supporting roller shaft through clamping when the clamping plate 24 moves to the surface of the supporting roller shaft.
[0043] Then the third driving motor 20 can be controlled to operate, the third driving motor 20 drives the driving bevel gear 21 to rotate when operating, the driving bevel gear 21 drives the driven bevel gear 19 to rotate through the meshing structure when rotating, the driven bevel gear 19 drives the rotating shaft 17 to rotate in the second bearing 18, the rotating shaft 17 drives the rotating block 10 to rotate when rotating, the rotating block 10 drives the milling mechanism 6 to rotate through the movable frame 5, so that the milling angle of the milling mechanism 6 can be adjusted.
[0044] Then the first drive motor 7 can be controlled to run, when the first drive motor 7 runs, the gear 8 can be driven to rotate, when the gear 8 rotates on the surface of the gear ring 9, the gear 8 can rotate along the outer ring of the gear ring 9, so that the sliding sleeve 3 can be driven to slide on the surface of the annular guide rail 2 through the first drive motor 7 and the mounting frame 4, when the mounting frame 4 moves, the milling mechanism 6 can be driven to rotate on the surface of the supporting roller shaft through the rotating seat 16, the rotating block 10 and the movable frame 5, so that the supporting roller shaft can be milled around by the milling mechanism 6.
[0045] At the same time, when the second drive motor 15 runs, the threaded rod 13 can be driven to rotate, when the threaded rod 13 rotates in the threaded hole 11, the threaded hole 11 can move longitudinally, the milling mechanism 6 can be driven to move longitudinally through the movable frame 5, so that the milling depth of the supporting roller shaft can be adjusted; and when the second telescopic rod 25 runs, the processing cylinder 1 can be driven to move laterally, the milling mechanism 6 can be driven to move laterally through the annular guide rail 2, the sliding sleeve 3, the mounting frame 4, the rotating seat 16, the rotating block 10 and the movable frame 5, so that the milling lateral position of the supporting roller shaft can be adjusted, and the bevel machining of the supporting roller shaft can be realized by continuously adjusting the position of the milling mechanism 6.
[0046] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A mechanism for machining the inclined surface of a support roller shaft, comprising a machining cylinder (1), characterized in that: The side surface of the processing cylinder (1) is connected to an annular guide rail (2), the surface of the annular guide rail (2) is fitted with a sliding sleeve (3), the side surface of the sliding sleeve (3) is connected to a mounting bracket (4), a movable bracket (5) is provided on one side of the mounting bracket (4), a milling mechanism (6) is installed on the side surface of the movable bracket (5), a first drive motor (7) is installed on the surface of the mounting bracket (4), a gear (8) is connected to the output end of the first drive motor (7), a toothed ring (9) is connected to the side surface of the processing cylinder (1), a rotating block (10) is provided on one side of the mounting bracket (4), a guide rod (12) is connected to the inner wall of the movable bracket (5) that passes through the rotating block (10), a threaded hole (11) is opened on the surface of the rotating block (10), a threaded rod (13) passes through the inside of the threaded hole (11), a first bearing (14) is installed between the threaded rod (13) and the movable bracket (5), and a second drive motor (15) is connected to the end of the threaded rod (13).
2. The inclined surface processing mechanism for a support roller shaft according to claim 1, characterized in that: The sliding sleeve (3) and the annular guide rail (2) are slidably connected, and the gear (8) and the gear ring (9) are meshing.
3. The inclined surface processing mechanism for a support roller shaft according to claim 1, characterized in that: The threaded rod (13) is threadedly connected to the threaded hole (11), the threaded rod (13) is slidably connected to the movable frame (5) through the first bearing (14), and the rotating block (10) is slidably connected to the guide rod (12).
4. The inclined surface processing mechanism for a support roller shaft according to claim 1, characterized in that: The mounting bracket (4) has a rotating seat (16) connected to its side surface. A second bearing (18) is fitted onto the side surface of the rotating seat (16). A rotating shaft (17) is connected to the side surface of the rotating block (10) that passes through the second bearing (18). A driven bevel gear (19) is connected to the end of the rotating shaft (17). A third drive motor (20) is mounted on the side surface of the mounting bracket (4). The output end of the third drive motor (20) is connected to a driving bevel gear (21).
5. The inclined surface processing mechanism for a support roller shaft according to claim 4, characterized in that: The rotating shaft (17) forms a rotating structure with the rotating seat (16) through the second bearing (18), and the driving bevel gear (21) and the driven bevel gear (19) form a meshing structure.
6. The inclined surface processing mechanism for a support roller shaft according to claim 1, characterized in that: An installation cylinder (22) is inserted into the interior of the processing cylinder (1). A first telescopic rod (23) is installed on the surface of the installation cylinder (22). A clamp (24) is connected to the telescopic end of the first telescopic rod (23). A second telescopic rod (25) is installed on the side surface of the installation cylinder (22). The telescopic end of the second telescopic rod (25) is connected to the side surface of the processing cylinder (1). A guide groove (26) is provided on the inner wall of the processing cylinder (1). A guide rail (27) is connected to the surface of the installation cylinder (22) near the guide groove (26).
7. The inclined surface processing mechanism for a support roller shaft according to claim 6, characterized in that: The clamping plate (24) and the first telescopic rod (23) form a telescopic structure, the processing cylinder (1) and the second telescopic rod (25) form a telescopic structure, and the processing cylinder (1) and the guide rail (27) form a sliding connection through the guide groove (26).